64494515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20507}}^1$

素因数の和:20566

約数の個数: 16

約数和(自身を含む): 84164832

約数和(自身を除く): 19670317

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 20507, 102535, 348619, 758759, 1743095, 3793795, 12898903, 64494515]

約数ペア:

[(1, 64494515), (5, 12898903), (17, 3793795), (37, 1743095), (85, 758759), (185, 348619), (629, 102535), (3145, 20507)]