81659215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{51197}}^1$

素因数の和:51242

約数の個数: 16

約数和(自身を含む): 110587680

約数和(自身を除く): 28928465

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 51197, 255985, 563167, 1484713, 2815835, 7423565, 16331843, 81659215]

約数ペア:

[(1, 81659215), (5, 16331843), (11, 7423565), (29, 2815835), (55, 1484713), (145, 563167), (319, 255985), (1595, 51197)]