31181228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2389}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 59023440

約数和(自身を除く): 27842212

約数列:

[1, 2, 4, 13, 26, 52, 251, 502, 1004, 2389, 3263, 4778, 6526, 9556, 13052, 31057, 62114, 124228, 599639, 1199278, 2398556, 7795307, 15590614, 31181228]

約数ペア:

[(1, 31181228), (2, 15590614), (4, 7795307), (13, 2398556), (26, 1199278), (52, 599639), (251, 124228), (502, 62114), (1004, 31057), (2389, 13052), (3263, 9556), (4778, 6526)]