648335968

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28657}}^1$

素因数の和:28775

約数の個数: 48

約数和(自身を含む): 1473250464

約数和(自身を除く): 824914496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 1414, 1616, 2828, 3232, 5656, 11312, 22624, 28657, 57314, 114628, 200599, 229256, 401198, 458512, 802396, 917024, 1604792, 2894357, 3209584, 5788714, 6419168, 11577428, 20260499, 23154856, 40520998, 46309712, 81041996, 92619424, 162083992, 324167984, 648335968]

約数ペア:

[(1, 648335968), (2, 324167984), (4, 162083992), (7, 92619424), (8, 81041996), (14, 46309712), (16, 40520998), (28, 23154856), (32, 20260499), (56, 11577428), (101, 6419168), (112, 5788714), (202, 3209584), (224, 2894357), (404, 1604792), (707, 917024), (808, 802396), (1414, 458512), (1616, 401198), (2828, 229256), (3232, 200599), (5656, 114628), (11312, 57314), (22624, 28657)]