387888908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{238261}}^1$

素因数の和:238313

約数の個数: 24

約数和(自身を含む): 760532304

約数和(自身を除く): 372643396

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 238261, 476522, 953044, 2620871, 5241742, 8815657, 10483484, 17631314, 35262628, 96972227, 193944454, 387888908]

約数ペア:

[(1, 387888908), (2, 193944454), (4, 96972227), (11, 35262628), (22, 17631314), (37, 10483484), (44, 8815657), (74, 5241742), (148, 2620871), (407, 953044), (814, 476522), (1628, 238261)]