205704715

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 249622560

約数和(自身を除く): 43917845

約数列:

[1, 5, 131, 509, 617, 655, 2545, 3085, 66679, 80827, 314053, 333395, 404135, 1570265, 41140943, 205704715]

約数ペア:

[(1, 205704715), (5, 41140943), (131, 1570265), (509, 404135), (617, 333395), (655, 314053), (2545, 80827), (3085, 66679)]