81884528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 104532112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 152, 176, 188, 209, 304, 376, 418, 517, 521, 752, 836, 893, 1034, 1042, 1672, 1786, 2068, 2084, 3344, 3572, 4136, 4168, 5731, 7144, 8272, 8336, 9823, 9899, 11462, 14288, 19646, 19798, 22924, 24487, 39292, 39596, 45848, 48974, 78584, 79192, 91696, 97948, 108889, 157168, 158384, 195896, 217778, 269357, 391792, 435556, 465253, 538714, 871112, 930506, 1077428, 1742224, 1861012, 2154856, 3722024, 4309712, 5117783, 7444048, 10235566, 20471132, 40942264, 81884528]

約数ペア:

[(1, 81884528), (2, 40942264), (4, 20471132), (8, 10235566), (11, 7444048), (16, 5117783), (19, 4309712), (22, 3722024), (38, 2154856), (44, 1861012), (47, 1742224), (76, 1077428), (88, 930506), (94, 871112), (152, 538714), (176, 465253), (188, 435556), (209, 391792), (304, 269357), (376, 217778), (418, 195896), (517, 158384), (521, 157168), (752, 108889), (836, 97948), (893, 91696), (1034, 79192), (1042, 78584), (1672, 48974), (1786, 45848), (2068, 39596), (2084, 39292), (3344, 24487), (3572, 22924), (4136, 19798), (4168, 19646), (5731, 14288), (7144, 11462), (8272, 9899), (8336, 9823)]