351405145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3881}}^1$

素因数の和:4105

約数の個数: 32

約数和(自身を含む): 521740800

約数和(自身を除く): 170335655

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 455, 995, 1393, 2587, 3881, 6965, 12935, 18109, 19405, 27167, 50453, 90545, 135835, 252265, 353171, 772319, 1765855, 3861595, 5406233, 10040147, 27031165, 50200735, 70281029, 351405145]

約数ペア:

[(1, 351405145), (5, 70281029), (7, 50200735), (13, 27031165), (35, 10040147), (65, 5406233), (91, 3861595), (199, 1765855), (455, 772319), (995, 353171), (1393, 252265), (2587, 135835), (3881, 90545), (6965, 50453), (12935, 27167), (18109, 19405)]