217479444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1294

約数の個数: 144

約数和(自身を含む): 663884928

約数和(自身を除く): 446405484

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 49, 52, 69, 78, 84, 91, 92, 98, 138, 147, 156, 161, 182, 196, 273, 276, 294, 299, 322, 364, 483, 546, 588, 598, 637, 644, 897, 966, 1092, 1127, 1196, 1237, 1274, 1794, 1911, 1932, 2093, 2254, 2474, 2548, 3381, 3588, 3711, 3822, 4186, 4508, 4948, 6279, 6762, 7422, 7644, 8372, 8659, 12558, 13524, 14651, 14844, 16081, 17318, 25116, 25977, 28451, 29302, 32162, 34636, 43953, 48243, 51954, 56902, 58604, 60613, 64324, 85353, 87906, 96486, 103908, 112567, 113804, 121226, 170706, 175812, 181839, 192972, 199157, 225134, 242452, 337701, 341412, 363678, 369863, 398314, 450268, 597471, 675402, 727356, 739726, 787969, 796628, 1109589, 1194942, 1350804, 1394099, 1479452, 1575938, 2219178, 2363907, 2389884, 2589041, 2788198, 3151876, 4182297, 4438356, 4727814, 5178082, 5576396, 7767123, 8364594, 9455628, 10356164, 15534246, 16729188, 18123287, 31068492, 36246574, 54369861, 72493148, 108739722, 217479444]

約数ペア:

[(1, 217479444), (2, 108739722), (3, 72493148), (4, 54369861), (6, 36246574), (7, 31068492), (12, 18123287), (13, 16729188), (14, 15534246), (21, 10356164), (23, 9455628), (26, 8364594), (28, 7767123), (39, 5576396), (42, 5178082), (46, 4727814), (49, 4438356), (52, 4182297), (69, 3151876), (78, 2788198), (84, 2589041), (91, 2389884), (92, 2363907), (98, 2219178), (138, 1575938), (147, 1479452), (156, 1394099), (161, 1350804), (182, 1194942), (196, 1109589), (273, 796628), (276, 787969), (294, 739726), (299, 727356), (322, 675402), (364, 597471), (483, 450268), (546, 398314), (588, 369863), (598, 363678), (637, 341412), (644, 337701), (897, 242452), (966, 225134), (1092, 199157), (1127, 192972), (1196, 181839), (1237, 175812), (1274, 170706), (1794, 121226), (1911, 113804), (1932, 112567), (2093, 103908), (2254, 96486), (2474, 87906), (2548, 85353), (3381, 64324), (3588, 60613), (3711, 58604), (3822, 56902), (4186, 51954), (4508, 48243), (4948, 43953), (6279, 34636), (6762, 32162), (7422, 29302), (7644, 28451), (8372, 25977), (8659, 25116), (12558, 17318), (13524, 16081), (14651, 14844)]