397491164

素因数分解:

$2^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{15583}}^1$

素因数の和:16505

約数の個数: 24

約数和(自身を含む): 795906048

約数和(自身を除く): 398414884

約数列:

[1, 2, 4, 7, 14, 28, 911, 1822, 3644, 6377, 12754, 15583, 25508, 31166, 62332, 109081, 218162, 436324, 14196113, 28392226, 56784452, 99372791, 198745582, 397491164]

約数ペア:

[(1, 397491164), (2, 198745582), (4, 99372791), (7, 56784452), (14, 28392226), (28, 14196113), (911, 436324), (1822, 218162), (3644, 109081), (6377, 62332), (12754, 31166), (15583, 25508)]