311942930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{64853}}^1$

素因数の和:64910

約数の個数: 32

約数和(自身を含む): 621041904

約数和(自身を除く): 309098974

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 64853, 129706, 324265, 648530, 843089, 1686178, 2399561, 4215445, 4799122, 8430890, 11997805, 23995610, 31194293, 62388586, 155971465, 311942930]

約数ペア:

[(1, 311942930), (2, 155971465), (5, 62388586), (10, 31194293), (13, 23995610), (26, 11997805), (37, 8430890), (65, 4799122), (74, 4215445), (130, 2399561), (185, 1686178), (370, 843089), (481, 648530), (962, 324265), (2405, 129706), (4810, 64853)]