81894911

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{2063}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 96297984

約数和(自身を除く): 14403073

約数列:

[1, 7, 53, 107, 371, 749, 2063, 5671, 14441, 39697, 109339, 220741, 765373, 1545187, 11699273, 81894911]

約数ペア:

[(1, 81894911), (7, 11699273), (53, 1545187), (107, 765373), (371, 220741), (749, 109339), (2063, 39697), (5671, 14441)]