90435926

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 158034240

約数和(自身を除く): 67598314

約数列:

[1, 2, 7, 14, 89, 178, 181, 362, 401, 623, 802, 1246, 1267, 2534, 2807, 5614, 16109, 32218, 35689, 71378, 72581, 112763, 145162, 225526, 249823, 499646, 508067, 1016134, 6459709, 12919418, 45217963, 90435926]

約数ペア:

[(1, 90435926), (2, 45217963), (7, 12919418), (14, 6459709), (89, 1016134), (178, 508067), (181, 499646), (362, 249823), (401, 225526), (623, 145162), (802, 112763), (1246, 72581), (1267, 71378), (2534, 35689), (2807, 32218), (5614, 16109)]