218280335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{809}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 323326080

約数和(自身を除く): 105045745

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 593, 809, 2965, 4045, 4151, 5663, 7709, 10517, 20755, 28315, 38545, 52585, 53963, 73619, 269815, 368095, 479737, 2398685, 3358159, 6236581, 16790795, 31182905, 43656067, 218280335]

約数ペア:

[(1, 218280335), (5, 43656067), (7, 31182905), (13, 16790795), (35, 6236581), (65, 3358159), (91, 2398685), (455, 479737), (593, 368095), (809, 269815), (2965, 73619), (4045, 53963), (4151, 52585), (5663, 38545), (7709, 28315), (10517, 20755)]