81145394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{41443}}^1$

素因数の和:41545

約数の個数: 16

約数和(自身を含む): 134278560

約数和(自身を除く): 53133166

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 41443, 82886, 455873, 911746, 3688427, 7376854, 40572697, 81145394]

約数ペア:

[(1, 81145394), (2, 40572697), (11, 7376854), (22, 3688427), (89, 911746), (178, 455873), (979, 82886), (1958, 41443)]