3891290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 7756560

約数和(自身を除く): 3865270

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 809, 962, 1618, 2405, 4045, 4810, 8090, 10517, 21034, 29933, 52585, 59866, 105170, 149665, 299330, 389129, 778258, 1945645, 3891290]

約数ペア:

[(1, 3891290), (2, 1945645), (5, 778258), (10, 389129), (13, 299330), (26, 149665), (37, 105170), (65, 59866), (74, 52585), (130, 29933), (185, 21034), (370, 10517), (481, 8090), (809, 4810), (962, 4045), (1618, 2405)]