1556386216

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 3955435200

約数和(自身を除く): 2399048984

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 121, 133, 152, 154, 157, 196, 209, 242, 266, 308, 314, 392, 418, 484, 532, 539, 616, 628, 836, 847, 931, 968, 1064, 1078, 1099, 1256, 1331, 1463, 1672, 1694, 1727, 1862, 2156, 2198, 2299, 2662, 2926, 2983, 3388, 3454, 3724, 4312, 4396, 4598, 5324, 5852, 5929, 5966, 6776, 6908, 7448, 7693, 8792, 9196, 9317, 10241, 10648, 11704, 11858, 11932, 12089, 13816, 15386, 16093, 18392, 18634, 18997, 20482, 20881, 23716, 23864, 24178, 25289, 30772, 32186, 32813, 37268, 37994, 40964, 41762, 47432, 48356, 50578, 61544, 64372, 65219, 65626, 74536, 75988, 81928, 83524, 84623, 96712, 101156, 112651, 128744, 130438, 131252, 132979, 146167, 151976, 167048, 169246, 177023, 202312, 208967, 225302, 229691, 260876, 262504, 265958, 292334, 338492, 354046, 360943, 417934, 450604, 459382, 521752, 531916, 584668, 676984, 708092, 721886, 835868, 901208, 918764, 930853, 1063832, 1169336, 1239161, 1416184, 1443772, 1462769, 1607837, 1671736, 1837528, 1861706, 2478322, 2526601, 2887544, 2925538, 3215674, 3723412, 3970373, 4956644, 5053202, 5851076, 6431348, 7446824, 7940746, 9913288, 10106404, 10239383, 11702152, 12862696, 15881492, 17686207, 20212808, 20478766, 27792611, 31762984, 35372414, 40957532, 55585222, 70744828, 81915064, 111170444, 141489656, 194548277, 222340888, 389096554, 778193108, 1556386216]

約数ペア:

[(1, 1556386216), (2, 778193108), (4, 389096554), (7, 222340888), (8, 194548277), (11, 141489656), (14, 111170444), (19, 81915064), (22, 70744828), (28, 55585222), (38, 40957532), (44, 35372414), (49, 31762984), (56, 27792611), (76, 20478766), (77, 20212808), (88, 17686207), (98, 15881492), (121, 12862696), (133, 11702152), (152, 10239383), (154, 10106404), (157, 9913288), (196, 7940746), (209, 7446824), (242, 6431348), (266, 5851076), (308, 5053202), (314, 4956644), (392, 3970373), (418, 3723412), (484, 3215674), (532, 2925538), (539, 2887544), (616, 2526601), (628, 2478322), (836, 1861706), (847, 1837528), (931, 1671736), (968, 1607837), (1064, 1462769), (1078, 1443772), (1099, 1416184), (1256, 1239161), (1331, 1169336), (1463, 1063832), (1672, 930853), (1694, 918764), (1727, 901208), (1862, 835868), (2156, 721886), (2198, 708092), (2299, 676984), (2662, 584668), (2926, 531916), (2983, 521752), (3388, 459382), (3454, 450604), (3724, 417934), (4312, 360943), (4396, 354046), (4598, 338492), (5324, 292334), (5852, 265958), (5929, 262504), (5966, 260876), (6776, 229691), (6908, 225302), (7448, 208967), (7693, 202312), (8792, 177023), (9196, 169246), (9317, 167048), (10241, 151976), (10648, 146167), (11704, 132979), (11858, 131252), (11932, 130438), (12089, 128744), (13816, 112651), (15386, 101156), (16093, 96712), (18392, 84623), (18634, 83524), (18997, 81928), (20482, 75988), (20881, 74536), (23716, 65626), (23864, 65219), (24178, 64372), (25289, 61544), (30772, 50578), (32186, 48356), (32813, 47432), (37268, 41762), (37994, 40964)]