81891766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 141626880

約数和(自身を除く): 59735114

約数列:

[1, 2, 11, 22, 29, 47, 58, 94, 319, 517, 638, 1034, 1363, 2726, 2731, 5462, 14993, 29986, 30041, 60082, 79199, 128357, 158398, 256714, 871189, 1411927, 1742378, 2823854, 3722353, 7444706, 40945883, 81891766]

約数ペア:

[(1, 81891766), (2, 40945883), (11, 7444706), (22, 3722353), (29, 2823854), (47, 1742378), (58, 1411927), (94, 871189), (319, 256714), (517, 158398), (638, 128357), (1034, 79199), (1363, 60082), (2726, 30041), (2731, 29986), (5462, 14993)]