78179984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257171}}^1$

素因数の和:257198

約数の個数: 20

約数和(自身を含む): 159446640

約数和(自身を除く): 81266656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257171, 514342, 1028684, 2057368, 4114736, 4886249, 9772498, 19544996, 39089992, 78179984]

約数ペア:

[(1, 78179984), (2, 39089992), (4, 19544996), (8, 9772498), (16, 4886249), (19, 4114736), (38, 2057368), (76, 1028684), (152, 514342), (304, 257171)]