16916615

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 22546080

約数和(自身を除く): 5629465

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 509, 1445, 1955, 2545, 6647, 8653, 11707, 33235, 43265, 58535, 147101, 199019, 735505, 995095, 3383323, 16916615]

約数ペア:

[(1, 16916615), (5, 3383323), (17, 995095), (23, 735505), (85, 199019), (115, 147101), (289, 58535), (391, 43265), (509, 33235), (1445, 11707), (1955, 8653), (2545, 6647)]