16105881589

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{181297}}^1$

素因数の和:181362

約数の個数: 20

約数和(自身を含む): 19296996524

約数和(自身を除く): 3191114935

約数列:

[1, 7, 37, 49, 259, 343, 1813, 2401, 12691, 88837, 181297, 1269079, 6707989, 8883553, 46955923, 62184871, 328691461, 435294097, 2300840227, 16105881589]

約数ペア:

[(1, 16105881589), (7, 2300840227), (37, 435294097), (49, 328691461), (259, 62184871), (343, 46955923), (1813, 8883553), (2401, 6707989), (12691, 1269079), (88837, 181297)]