219680911

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 233468928

約数和(自身を除く): 13788017

約数列:

[1, 31, 41, 307, 563, 1271, 9517, 12587, 17453, 23083, 172841, 390197, 715573, 5358071, 7086481, 219680911]

約数ペア:

[(1, 219680911), (31, 7086481), (41, 5358071), (307, 715573), (563, 390197), (1271, 172841), (9517, 23083), (12587, 17453)]