72129368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2113}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 143836560

約数和(自身を除く): 71707192

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 502, 1004, 2008, 2113, 4226, 4267, 8452, 8534, 16904, 17068, 34136, 35921, 71842, 143684, 287368, 530363, 1060726, 2121452, 4242904, 9016171, 18032342, 36064684, 72129368]

約数ペア:

[(1, 72129368), (2, 36064684), (4, 18032342), (8, 9016171), (17, 4242904), (34, 2121452), (68, 1060726), (136, 530363), (251, 287368), (502, 143684), (1004, 71842), (2008, 35921), (2113, 34136), (4226, 17068), (4267, 16904), (8452, 8534)]