397753408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{478069}}^1$

素因数の和:478094

約数の個数: 28

約数和(自身を含む): 850008460

約数和(自身を除く): 452255052

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 478069, 956138, 1912276, 3824552, 6214897, 7649104, 12429794, 15298208, 24859588, 30596416, 49719176, 99438352, 198876704, 397753408]

約数ペア:

[(1, 397753408), (2, 198876704), (4, 99438352), (8, 49719176), (13, 30596416), (16, 24859588), (26, 15298208), (32, 12429794), (52, 7649104), (64, 6214897), (104, 3824552), (208, 1912276), (416, 956138), (832, 478069)]