81547564

素因数分解:

$2^2\times 7^5\times {\mathrm{1213}}^1$

素因数の和:1252

約数の個数: 36

約数和(自身を含む): 166628784

約数和(自身を除く): 85081220

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1213, 1372, 2401, 2426, 4802, 4852, 8491, 9604, 16807, 16982, 33614, 33964, 59437, 67228, 118874, 237748, 416059, 832118, 1664236, 2912413, 5824826, 11649652, 20386891, 40773782, 81547564]

約数ペア:

[(1, 81547564), (2, 40773782), (4, 20386891), (7, 11649652), (14, 5824826), (28, 2912413), (49, 1664236), (98, 832118), (196, 416059), (343, 237748), (686, 118874), (1213, 67228), (1372, 59437), (2401, 33964), (2426, 33614), (4802, 16982), (4852, 16807), (8491, 9604)]