197418385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1987}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 245048832

約数和(自身を除く): 47630447

約数列:

[1, 5, 31, 155, 641, 1987, 3205, 9935, 19871, 61597, 99355, 307985, 1273667, 6368335, 39483677, 197418385]

約数ペア:

[(1, 197418385), (5, 39483677), (31, 6368335), (155, 1273667), (641, 307985), (1987, 99355), (3205, 61597), (9935, 19871)]