81915064

素因数分解:

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

素因数の和:210

約数の個数: 96

約数和(自身を含む): 197771760

約数和(自身を除く): 115856696

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 157, 196, 242, 308, 314, 392, 484, 539, 616, 628, 847, 968, 1078, 1099, 1256, 1331, 1694, 1727, 2156, 2198, 2662, 3388, 3454, 4312, 4396, 5324, 5929, 6776, 6908, 7693, 8792, 9317, 10648, 11858, 12089, 13816, 15386, 18634, 18997, 23716, 24178, 30772, 37268, 37994, 47432, 48356, 61544, 65219, 74536, 75988, 84623, 96712, 130438, 132979, 151976, 169246, 208967, 260876, 265958, 338492, 417934, 521752, 531916, 676984, 835868, 930853, 1063832, 1462769, 1671736, 1861706, 2925538, 3723412, 5851076, 7446824, 10239383, 11702152, 20478766, 40957532, 81915064]

約数ペア:

[(1, 81915064), (2, 40957532), (4, 20478766), (7, 11702152), (8, 10239383), (11, 7446824), (14, 5851076), (22, 3723412), (28, 2925538), (44, 1861706), (49, 1671736), (56, 1462769), (77, 1063832), (88, 930853), (98, 835868), (121, 676984), (154, 531916), (157, 521752), (196, 417934), (242, 338492), (308, 265958), (314, 260876), (392, 208967), (484, 169246), (539, 151976), (616, 132979), (628, 130438), (847, 96712), (968, 84623), (1078, 75988), (1099, 74536), (1256, 65219), (1331, 61544), (1694, 48356), (1727, 47432), (2156, 37994), (2198, 37268), (2662, 30772), (3388, 24178), (3454, 23716), (4312, 18997), (4396, 18634), (5324, 15386), (5929, 13816), (6776, 12089), (6908, 11858), (7693, 10648), (8792, 9317)]