217343620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{835937}}^1$

素因数の和:835959

約数の個数: 24

約数和(自身を含む): 491531544

約数和(自身を除く): 274187924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 835937, 1671874, 3343748, 4179685, 8359370, 10867181, 16718740, 21734362, 43468724, 54335905, 108671810, 217343620]

約数ペア:

[(1, 217343620), (2, 108671810), (4, 54335905), (5, 43468724), (10, 21734362), (13, 16718740), (20, 10867181), (26, 8359370), (52, 4179685), (65, 3343748), (130, 1671874), (260, 835937)]