397359358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{14461}}^1$

素因数の和:15723

約数の個数: 16

約数和(自身を含む): 650790000

約数和(自身を除く): 253430642

約数列:

[1, 2, 11, 22, 1249, 2498, 13739, 14461, 27478, 28922, 159071, 318142, 18061789, 36123578, 198679679, 397359358]

約数ペア:

[(1, 397359358), (2, 198679679), (11, 36123578), (22, 18061789), (1249, 318142), (2498, 159071), (13739, 28922), (14461, 27478)]