128503856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9221}}^1$

素因数の和:9309

約数の個数: 40

約数和(自身を含む): 272159664

約数和(自身を除く): 143655808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 9221, 13936, 18442, 36884, 73768, 119873, 147536, 239746, 479492, 617807, 958984, 1235614, 1917968, 2471228, 4942456, 8031491, 9884912, 16062982, 32125964, 64251928, 128503856]

約数ペア:

[(1, 128503856), (2, 64251928), (4, 32125964), (8, 16062982), (13, 9884912), (16, 8031491), (26, 4942456), (52, 2471228), (67, 1917968), (104, 1235614), (134, 958984), (208, 617807), (268, 479492), (536, 239746), (871, 147536), (1072, 119873), (1742, 73768), (3484, 36884), (6968, 18442), (9221, 13936)]