207785254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1223}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 348986880

約数和(自身を除く): 141201626

約数列:

[1, 2, 17, 19, 34, 38, 263, 323, 526, 646, 1223, 2446, 4471, 4997, 8942, 9994, 20791, 23237, 41582, 46474, 84949, 169898, 321649, 395029, 643298, 790058, 5468033, 6111331, 10936066, 12222662, 103892627, 207785254]

約数ペア:

[(1, 207785254), (2, 103892627), (17, 12222662), (19, 10936066), (34, 6111331), (38, 5468033), (263, 790058), (323, 643298), (526, 395029), (646, 321649), (1223, 169898), (2446, 84949), (4471, 46474), (4997, 41582), (8942, 23237), (9994, 20791)]