656996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{42829}}^1$

素因数の和:42910

約数の個数: 48

約数和(自身を含む): 1511042400

約数和(自身を除く): 854045540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 42829, 85658, 171316, 214145, 428290, 556777, 856580, 1113554, 2227108, 2526911, 2783885, 5053822, 5567770, 10107644, 11135540, 12634555, 25269110, 32849843, 50538220, 65699686, 131399372, 164249215, 328498430, 656996860]

約数ペア:

[(1, 656996860), (2, 328498430), (4, 164249215), (5, 131399372), (10, 65699686), (13, 50538220), (20, 32849843), (26, 25269110), (52, 12634555), (59, 11135540), (65, 10107644), (118, 5567770), (130, 5053822), (236, 2783885), (260, 2526911), (295, 2227108), (590, 1113554), (767, 856580), (1180, 556777), (1534, 428290), (3068, 214145), (3835, 171316), (7670, 85658), (15340, 42829)]