661355135

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{1523}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 956828160

約数和(自身を除く): 295473025

約数列:

[1, 5, 7, 19, 35, 95, 133, 653, 665, 1523, 3265, 4571, 7615, 10661, 12407, 22855, 28937, 53305, 62035, 86849, 144685, 202559, 434245, 994519, 1012795, 4972595, 6961633, 18895861, 34808165, 94479305, 132271027, 661355135]

約数ペア:

[(1, 661355135), (5, 132271027), (7, 94479305), (19, 34808165), (35, 18895861), (95, 6961633), (133, 4972595), (653, 1012795), (665, 994519), (1523, 434245), (3265, 202559), (4571, 144685), (7615, 86849), (10661, 62035), (12407, 53305), (22855, 28937)]