64907515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1721}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 82242720

約数和(自身を除く): 17335205

約数列:

[1, 5, 19, 95, 397, 1721, 1985, 7543, 8605, 32699, 37715, 163495, 683237, 3416185, 12981503, 64907515]

約数ペア:

[(1, 64907515), (5, 12981503), (19, 3416185), (95, 683237), (397, 163495), (1721, 37715), (1985, 32699), (7543, 8605)]