408032989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 513192960

約数和(自身を除く): 105159971

約数列:

[1, 7, 13, 73, 91, 239, 257, 511, 949, 1673, 1799, 3107, 3341, 6643, 17447, 18761, 21749, 23387, 61423, 122129, 131327, 226811, 243893, 429961, 798499, 1587677, 1707251, 4483879, 5589493, 31387153, 58290427, 408032989]

約数ペア:

[(1, 408032989), (7, 58290427), (13, 31387153), (73, 5589493), (91, 4483879), (239, 1707251), (257, 1587677), (511, 798499), (949, 429961), (1673, 243893), (1799, 226811), (3107, 131327), (3341, 122129), (6643, 61423), (17447, 23387), (18761, 21749)]