639646495490

素因数分解:

$2^1\times 5^1\times {\mathrm{83059}}^1\times {\mathrm{770111}}^1$

素因数の和:853177

約数の個数: 16

約数和(自身を含む): 1151379048960

約数和(自身を除く): 511732553470

約数列:

[1, 2, 5, 10, 83059, 166118, 415295, 770111, 830590, 1540222, 3850555, 7701110, 63964649549, 127929299098, 319823247745, 639646495490]

約数ペア:

[(1, 639646495490), (2, 319823247745), (5, 127929299098), (10, 63964649549), (83059, 7701110), (166118, 3850555), (415295, 1540222), (770111, 830590)]