639261224

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{1187}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 1402790400

約数和(自身を除く): 763529176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 163, 236, 326, 413, 472, 652, 826, 1141, 1187, 1304, 1652, 2282, 2374, 3304, 4564, 4748, 8309, 9128, 9496, 9617, 16618, 19234, 33236, 38468, 66472, 67319, 70033, 76936, 134638, 140066, 193481, 269276, 280132, 386962, 490231, 538552, 560264, 773924, 980462, 1354367, 1547848, 1960924, 2708734, 3921848, 5417468, 10834936, 11415379, 22830758, 45661516, 79907653, 91323032, 159815306, 319630612, 639261224]

約数ペア:

[(1, 639261224), (2, 319630612), (4, 159815306), (7, 91323032), (8, 79907653), (14, 45661516), (28, 22830758), (56, 11415379), (59, 10834936), (118, 5417468), (163, 3921848), (236, 2708734), (326, 1960924), (413, 1547848), (472, 1354367), (652, 980462), (826, 773924), (1141, 560264), (1187, 538552), (1304, 490231), (1652, 386962), (2282, 280132), (2374, 269276), (3304, 193481), (4564, 140066), (4748, 134638), (8309, 76936), (9128, 70033), (9496, 67319), (9617, 66472), (16618, 38468), (19234, 33236)]