12565720265

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{22229}}^1$

素因数の和:22793

約数の個数: 32

約数和(自身を含む): 17823836160

約数和(自身を除く): 5258115895

約数列:

[1, 5, 7, 31, 35, 155, 217, 521, 1085, 2605, 3647, 16151, 18235, 22229, 80755, 111145, 113057, 155603, 565285, 689099, 778015, 3445495, 4823693, 11581309, 24118465, 57906545, 81069163, 359020579, 405345815, 1795102895, 2513144053, 12565720265]

約数ペア:

[(1, 12565720265), (5, 2513144053), (7, 1795102895), (31, 405345815), (35, 359020579), (155, 81069163), (217, 57906545), (521, 24118465), (1085, 11581309), (2605, 4823693), (3647, 3445495), (16151, 778015), (18235, 689099), (22229, 565285), (80755, 155603), (111145, 113057)]