1390662287

素因数分解:

$7^3\times {\mathrm{587}}^1\times {\mathrm{6907}}^1$

素因数の和:7515

約数の個数: 16

約数和(自身を含む): 1624761600

約数和(自身を除く): 234099313

約数列:

[1, 7, 49, 343, 587, 4109, 6907, 28763, 48349, 201341, 338443, 2369101, 4054409, 28380863, 198666041, 1390662287]

約数ペア:

[(1, 1390662287), (7, 198666041), (49, 28380863), (343, 4054409), (587, 2369101), (4109, 338443), (6907, 201341), (28763, 48349)]