281570215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{21323}}^1$

素因数の和:21486

約数の個数: 16

約数和(自身を含む): 358243200

約数和(自身を除く): 76672985

約数列:

[1, 5, 19, 95, 139, 695, 2641, 13205, 21323, 106615, 405137, 2025685, 2963897, 14819485, 56314043, 281570215]

約数ペア:

[(1, 281570215), (5, 56314043), (19, 14819485), (95, 2963897), (139, 2025685), (695, 405137), (2641, 106615), (13205, 21323)]