11972191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1747}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 15102720

約数和(自身を除く): 3130529

約数列:

[1, 7, 11, 77, 89, 623, 979, 1747, 6853, 12229, 19217, 134519, 155483, 1088381, 1710313, 11972191]

約数ペア:

[(1, 11972191), (7, 1710313), (11, 1088381), (77, 155483), (89, 134519), (623, 19217), (979, 12229), (1747, 6853)]