31457556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67217}}^1$

素因数の和:67240

約数の個数: 36

約数和(自身を含む): 85635732

約数和(自身を除く): 54178176

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 67217, 134434, 201651, 268868, 403302, 604953, 806604, 873821, 1209906, 1747642, 2419812, 2621463, 3495284, 5242926, 7864389, 10485852, 15728778, 31457556]

約数ペア:

[(1, 31457556), (2, 15728778), (3, 10485852), (4, 7864389), (6, 5242926), (9, 3495284), (12, 2621463), (13, 2419812), (18, 1747642), (26, 1209906), (36, 873821), (39, 806604), (52, 604953), (78, 403302), (117, 268868), (156, 201651), (234, 134434), (468, 67217)]