221346385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{16139}}^1$

素因数の和:16368

約数の個数: 16

約数和(自身を含む): 287421120

約数和(自身を除く): 66074735

約数列:

[1, 5, 13, 65, 211, 1055, 2743, 13715, 16139, 80695, 209807, 1049035, 3405329, 17026645, 44269277, 221346385]

約数ペア:

[(1, 221346385), (5, 44269277), (13, 17026645), (65, 3405329), (211, 1049035), (1055, 209807), (2743, 80695), (13715, 16139)]