218520910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{1063}}^1$

素因数の和:1468

約数の個数: 32

約数和(自身を含む): 401349312

約数和(自身を除く): 182828402

約数列:

[1, 2, 5, 10, 61, 122, 305, 337, 610, 674, 1063, 1685, 2126, 3370, 5315, 10630, 20557, 41114, 64843, 102785, 129686, 205570, 324215, 358231, 648430, 716462, 1791155, 3582310, 21852091, 43704182, 109260455, 218520910]

約数ペア:

[(1, 218520910), (2, 109260455), (5, 43704182), (10, 21852091), (61, 3582310), (122, 1791155), (305, 716462), (337, 648430), (610, 358231), (674, 324215), (1063, 205570), (1685, 129686), (2126, 102785), (3370, 64843), (5315, 41114), (10630, 20557)]