639421848

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{683143}}^1$

素因数の和:683168

約数の個数: 48

約数和(自身を含む): 1864983120

約数和(自身を除く): 1225561272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 683143, 1366286, 2049429, 2732572, 4098858, 5465144, 6148287, 8197716, 8880859, 12296574, 16395432, 17761718, 24593148, 26642577, 35523436, 49186296, 53285154, 71046872, 79927731, 106570308, 159855462, 213140616, 319710924, 639421848]

約数ペア:

[(1, 639421848), (2, 319710924), (3, 213140616), (4, 159855462), (6, 106570308), (8, 79927731), (9, 71046872), (12, 53285154), (13, 49186296), (18, 35523436), (24, 26642577), (26, 24593148), (36, 17761718), (39, 16395432), (52, 12296574), (72, 8880859), (78, 8197716), (104, 6148287), (117, 5465144), (156, 4098858), (234, 2732572), (312, 2049429), (468, 1366286), (936, 683143)]