31107856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 65245824

約数和(自身を除く): 34137968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 431, 694, 862, 1388, 1724, 2776, 3448, 4511, 5552, 5603, 6896, 9022, 11206, 18044, 22412, 36088, 44824, 72176, 89648, 149557, 299114, 598228, 1196456, 1944241, 2392912, 3888482, 7776964, 15553928, 31107856]

約数ペア:

[(1, 31107856), (2, 15553928), (4, 7776964), (8, 3888482), (13, 2392912), (16, 1944241), (26, 1196456), (52, 598228), (104, 299114), (208, 149557), (347, 89648), (431, 72176), (694, 44824), (862, 36088), (1388, 22412), (1724, 18044), (2776, 11206), (3448, 9022), (4511, 6896), (5552, 5603)]