219979985

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{10909}}^1$

素因数の和:11060

約数の個数: 16

約数和(自身を含む): 273622800

約数和(自身を除く): 53642815

約数列:

[1, 5, 37, 109, 185, 545, 4033, 10909, 20165, 54545, 403633, 1189081, 2018165, 5945405, 43995997, 219979985]

約数ペア:

[(1, 219979985), (5, 43995997), (37, 5945405), (109, 2018165), (185, 1189081), (545, 403633), (4033, 54545), (10909, 20165)]