420121274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181243}}^1$

素因数の和:181325

約数の個数: 16

約数和(自身を含む): 674227680

約数和(自身を除く): 254106406

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 181243, 362486, 3443617, 6887234, 11055823, 22111646, 210060637, 420121274]

約数ペア:

[(1, 420121274), (2, 210060637), (19, 22111646), (38, 11055823), (61, 6887234), (122, 3443617), (1159, 362486), (2318, 181243)]