399376976

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{22109}}^1$

素因数の和:23246

約数の個数: 20

約数和(自身を含む): 774513300

約数和(自身を除く): 375136324

約数列:

[1, 2, 4, 8, 16, 1129, 2258, 4516, 9032, 18064, 22109, 44218, 88436, 176872, 353744, 24961061, 49922122, 99844244, 199688488, 399376976]

約数ペア:

[(1, 399376976), (2, 199688488), (4, 99844244), (8, 49922122), (16, 24961061), (1129, 353744), (2258, 176872), (4516, 88436), (9032, 44218), (18064, 22109)]