81691472

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{16631}}^1$

素因数の和:16946

約数の個数: 20

約数和(自身を含む): 158802336

約数和(自身を除く): 77110864

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 16631, 33262, 66524, 133048, 266096, 5105717, 10211434, 20422868, 40845736, 81691472]

約数ペア:

[(1, 81691472), (2, 40845736), (4, 20422868), (8, 10211434), (16, 5105717), (307, 266096), (614, 133048), (1228, 66524), (2456, 33262), (4912, 16631)]