12921554

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:637

約数の個数: 16

約数和(自身を含む): 19747800

約数和(自身を除く): 6826246

約数列:

[1, 2, 89, 178, 229, 317, 458, 634, 20381, 28213, 40762, 56426, 72593, 145186, 6460777, 12921554]

約数ペア:

[(1, 12921554), (2, 6460777), (89, 145186), (178, 72593), (229, 56426), (317, 40762), (458, 28213), (634, 20381)]