81191966

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{18229}}^1$

素因数の和:18379

約数の個数: 16

約数和(自身を含む): 129943440

約数和(自身を除く): 48751474

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 18229, 36458, 309893, 619786, 2387999, 4775998, 40595983, 81191966]

約数ペア:

[(1, 81191966), (2, 40595983), (17, 4775998), (34, 2387999), (131, 619786), (262, 309893), (2227, 36458), (4454, 18229)]