72811772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20947}}^1$

素因数の和:21041

約数の個数: 24

約数和(自身を含む): 140770560

約数和(自身を除く): 67958788

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 20947, 41894, 83788, 230417, 460834, 921668, 1654813, 3309626, 6619252, 18202943, 36405886, 72811772]

約数ペア:

[(1, 72811772), (2, 36405886), (4, 18202943), (11, 6619252), (22, 3309626), (44, 1654813), (79, 921668), (158, 460834), (316, 230417), (869, 83788), (1738, 41894), (3476, 20947)]