638961064

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{32323}}^1$

素因数の和:32689

約数の個数: 32

約数和(自身を含む): 1373123520

約数和(自身を除く): 734162456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1412, 2471, 2824, 4942, 9884, 19768, 32323, 64646, 129292, 226261, 258584, 452522, 905044, 1810088, 11410019, 22820038, 45640076, 79870133, 91280152, 159740266, 319480532, 638961064]

約数ペア:

[(1, 638961064), (2, 319480532), (4, 159740266), (7, 91280152), (8, 79870133), (14, 45640076), (28, 22820038), (56, 11410019), (353, 1810088), (706, 905044), (1412, 452522), (2471, 258584), (2824, 226261), (4942, 129292), (9884, 64646), (19768, 32323)]