391883998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{74531}}^1$

素因数の和:74783

約数の個数: 16

約数和(自身を含む): 643956480

約数和(自身を除く): 252072482

約数列:

[1, 2, 11, 22, 239, 478, 2629, 5258, 74531, 149062, 819841, 1639682, 17812909, 35625818, 195941999, 391883998]

約数ペア:

[(1, 391883998), (2, 195941999), (11, 35625818), (22, 17812909), (239, 1639682), (478, 819841), (2629, 149062), (5258, 74531)]