318780254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{395509}}^1$

素因数の和:395555

約数の個数: 16

約数和(自身を含む): 531565440

約数和(自身を除く): 212785186

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 395509, 791018, 5141617, 10283234, 12260779, 24521558, 159390127, 318780254]

約数ペア:

[(1, 318780254), (2, 159390127), (13, 24521558), (26, 12260779), (31, 10283234), (62, 5141617), (403, 791018), (806, 395509)]