131031492

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{253937}}^1$

素因数の和:253987

約数の個数: 24

約数和(自身を含む): 312851616

約数和(自身を除く): 181820124

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 253937, 507874, 761811, 1015748, 1523622, 3047244, 10919291, 21838582, 32757873, 43677164, 65515746, 131031492]

約数ペア:

[(1, 131031492), (2, 65515746), (3, 43677164), (4, 32757873), (6, 21838582), (12, 10919291), (43, 3047244), (86, 1523622), (129, 1015748), (172, 761811), (258, 507874), (516, 253937)]