81725252

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{39983}}^1$

素因数の和:40067

約数の個数: 24

約数和(自身を含む): 165693696

約数和(自身を除く): 83968444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 39983, 79966, 159932, 279881, 559762, 1119524, 2918759, 5837518, 11675036, 20431313, 40862626, 81725252]

約数ペア:

[(1, 81725252), (2, 40862626), (4, 20431313), (7, 11675036), (14, 5837518), (28, 2918759), (73, 1119524), (146, 559762), (292, 279881), (511, 159932), (1022, 79966), (2044, 39983)]