398574878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{1307}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 663846624

約数和(自身を除く): 265271746

約数列:

[1, 2, 13, 26, 37, 74, 317, 481, 634, 962, 1307, 2614, 4121, 8242, 11729, 16991, 23458, 33982, 48359, 96718, 152477, 304954, 414319, 628667, 828638, 1257334, 5386147, 10772294, 15329803, 30659606, 199287439, 398574878]

約数ペア:

[(1, 398574878), (2, 199287439), (13, 30659606), (26, 15329803), (37, 10772294), (74, 5386147), (317, 1257334), (481, 828638), (634, 628667), (962, 414319), (1307, 304954), (2614, 152477), (4121, 96718), (8242, 48359), (11729, 33982), (16991, 23458)]