15691308464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{382939}}^1$

素因数の和:383157

約数の個数: 40

約数和(自身を含む): 32906800080

約数和(自身を除く): 17215491616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 2561, 3152, 5122, 10244, 20488, 40976, 382939, 765878, 1531756, 3063512, 4978207, 6127024, 9956414, 19912828, 39825656, 75438983, 79651312, 150877966, 301755932, 603511864, 980706779, 1207023728, 1961413558, 3922827116, 7845654232, 15691308464]

約数ペア:

[(1, 15691308464), (2, 7845654232), (4, 3922827116), (8, 1961413558), (13, 1207023728), (16, 980706779), (26, 603511864), (52, 301755932), (104, 150877966), (197, 79651312), (208, 75438983), (394, 39825656), (788, 19912828), (1576, 9956414), (2561, 6127024), (3152, 4978207), (5122, 3063512), (10244, 1531756), (20488, 765878), (40976, 382939)]