231750740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{891349}}^1$

素因数の和:891371

約数の個数: 24

約数和(自身を含む): 524113800

約数和(自身を除く): 292363060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 891349, 1782698, 3565396, 4456745, 8913490, 11587537, 17826980, 23175074, 46350148, 57937685, 115875370, 231750740]

約数ペア:

[(1, 231750740), (2, 115875370), (4, 57937685), (5, 46350148), (10, 23175074), (13, 17826980), (20, 11587537), (26, 8913490), (52, 4456745), (65, 3565396), (130, 1782698), (260, 891349)]