280085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 16

約数和(自身を含む): 376320

約数和(自身を除く): 96235

約数列:

[1, 5, 13, 31, 65, 139, 155, 403, 695, 1807, 2015, 4309, 9035, 21545, 56017, 280085]

約数ペア:

[(1, 280085), (5, 56017), (13, 21545), (31, 9035), (65, 4309), (139, 2015), (155, 1807), (403, 695)]