256763528

素因数分解:

$2^3\times 7^2\times {\mathrm{719}}^1\times {\mathrm{911}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 561427200

約数和(自身を除く): 304663672

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 719, 911, 1438, 1822, 2876, 3644, 5033, 5752, 6377, 7288, 10066, 12754, 20132, 25508, 35231, 40264, 44639, 51016, 70462, 89278, 140924, 178556, 281848, 357112, 655009, 1310018, 2620036, 4585063, 5240072, 9170126, 18340252, 32095441, 36680504, 64190882, 128381764, 256763528]

約数ペア:

[(1, 256763528), (2, 128381764), (4, 64190882), (7, 36680504), (8, 32095441), (14, 18340252), (28, 9170126), (49, 5240072), (56, 4585063), (98, 2620036), (196, 1310018), (392, 655009), (719, 357112), (911, 281848), (1438, 178556), (1822, 140924), (2876, 89278), (3644, 70462), (5033, 51016), (5752, 44639), (6377, 40264), (7288, 35231), (10066, 25508), (12754, 20132)]