128254568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{8167}}^1$

素因数の和:8337

約数の個数: 32

約数和(自身を含む): 260722560

約数和(自身を除く): 132467992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 3926, 7852, 8167, 15704, 16334, 32668, 65336, 106171, 212342, 424684, 849368, 1233217, 2466434, 4932868, 9865736, 16031821, 32063642, 64127284, 128254568]

約数ペア:

[(1, 128254568), (2, 64127284), (4, 32063642), (8, 16031821), (13, 9865736), (26, 4932868), (52, 2466434), (104, 1233217), (151, 849368), (302, 424684), (604, 212342), (1208, 106171), (1963, 65336), (3926, 32668), (7852, 16334), (8167, 15704)]