639676848

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{42577}}^1$

素因数の和:42901

約数の個数: 40

約数和(自身を含む): 1657817008

約数和(自身を除く): 1018140160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1878, 2504, 3756, 5008, 7512, 15024, 42577, 85154, 127731, 170308, 255462, 340616, 510924, 681232, 1021848, 2043696, 13326601, 26653202, 39979803, 53306404, 79959606, 106612808, 159919212, 213225616, 319838424, 639676848]

約数ペア:

[(1, 639676848), (2, 319838424), (3, 213225616), (4, 159919212), (6, 106612808), (8, 79959606), (12, 53306404), (16, 39979803), (24, 26653202), (48, 13326601), (313, 2043696), (626, 1021848), (939, 681232), (1252, 510924), (1878, 340616), (2504, 255462), (3756, 170308), (5008, 127731), (7512, 85154), (15024, 42577)]