31195216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3191}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 66495744

約数和(自身を除く): 35300528

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 3191, 4888, 6382, 9776, 12764, 25528, 41483, 51056, 82966, 149977, 165932, 299954, 331864, 599908, 663728, 1199816, 1949701, 2399632, 3899402, 7798804, 15597608, 31195216]

約数ペア:

[(1, 31195216), (2, 15597608), (4, 7798804), (8, 3899402), (13, 2399632), (16, 1949701), (26, 1199816), (47, 663728), (52, 599908), (94, 331864), (104, 299954), (188, 165932), (208, 149977), (376, 82966), (611, 51056), (752, 41483), (1222, 25528), (2444, 12764), (3191, 9776), (4888, 6382)]