8721190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 16679520

約数和(自身を除く): 7958330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 233, 394, 466, 985, 1165, 1970, 2330, 3743, 4427, 7486, 8854, 18715, 22135, 37430, 44270, 45901, 91802, 229505, 459010, 872119, 1744238, 4360595, 8721190]

約数ペア:

[(1, 8721190), (2, 4360595), (5, 1744238), (10, 872119), (19, 459010), (38, 229505), (95, 91802), (190, 45901), (197, 44270), (233, 37430), (394, 22135), (466, 18715), (985, 8854), (1165, 7486), (1970, 4427), (2330, 3743)]