13405330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 25256448

約数和(自身を除く): 11851118

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 521, 830, 1042, 2573, 2605, 5146, 5210, 12865, 16151, 25730, 32302, 43243, 80755, 86486, 161510, 216215, 432430, 1340533, 2681066, 6702665, 13405330]

約数ペア:

[(1, 13405330), (2, 6702665), (5, 2681066), (10, 1340533), (31, 432430), (62, 216215), (83, 161510), (155, 86486), (166, 80755), (310, 43243), (415, 32302), (521, 25730), (830, 16151), (1042, 12865), (2573, 5210), (2605, 5146)]