397789648

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{314707}}^1$

素因数の和:314794

約数の個数: 20

約数和(自身を含む): 780475840

約数和(自身を除く): 382686192

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 314707, 629414, 1258828, 2517656, 5035312, 24861853, 49723706, 99447412, 198894824, 397789648]

約数ペア:

[(1, 397789648), (2, 198894824), (4, 99447412), (8, 49723706), (16, 24861853), (79, 5035312), (158, 2517656), (316, 1258828), (632, 629414), (1264, 314707)]