291220516

素因数分解:

$2^2\times {\mathrm{12911}}^1\times {\mathrm{5639}}^1$

素因数の和:18554

約数の個数: 12

約数和(自身を含む): 509765760

約数和(自身を除く): 218545244

約数列:

[1, 2, 4, 5639, 11278, 12911, 22556, 25822, 51644, 72805129, 145610258, 291220516]

約数ペア:

[(1, 291220516), (2, 145610258), (4, 72805129), (5639, 51644), (11278, 25822), (12911, 22556)]