64688315

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 83553120

約数和(自身を除く): 18864805

約数列:

[1, 5, 17, 85, 89, 289, 445, 503, 1445, 1513, 2515, 7565, 8551, 25721, 42755, 44767, 128605, 145367, 223835, 726835, 761039, 3805195, 12937663, 64688315]

約数ペア:

[(1, 64688315), (5, 12937663), (17, 3805195), (85, 761039), (89, 726835), (289, 223835), (445, 145367), (503, 128605), (1445, 44767), (1513, 42755), (2515, 25721), (7565, 8551)]