128456952

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411721}}^1$

素因数の和:411743

約数の個数: 32

約数和(自身を含む): 345846480

約数和(自身を除く): 217389528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 411721, 823442, 1235163, 1646884, 2470326, 3293768, 4940652, 5352373, 9881304, 10704746, 16057119, 21409492, 32114238, 42818984, 64228476, 128456952]

約数ペア:

[(1, 128456952), (2, 64228476), (3, 42818984), (4, 32114238), (6, 21409492), (8, 16057119), (12, 10704746), (13, 9881304), (24, 5352373), (26, 4940652), (39, 3293768), (52, 2470326), (78, 1646884), (104, 1235163), (156, 823442), (312, 411721)]