398501906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{22063}}^1$

素因数の和:22897

約数の個数: 16

約数和(自身を含む): 652917888

約数和(自身を除く): 254415982

約数列:

[1, 2, 11, 22, 821, 1642, 9031, 18062, 22063, 44126, 242693, 485386, 18113723, 36227446, 199250953, 398501906]

約数ペア:

[(1, 398501906), (2, 199250953), (11, 36227446), (22, 18113723), (821, 485386), (1642, 242693), (9031, 44126), (18062, 22063)]