218350015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71473}}^1$

素因数の和:71538

約数の個数: 16

約数和(自身を含む): 288183168

約数和(自身を除く): 69833153

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 71473, 357365, 929149, 3359231, 4645745, 16796155, 43670003, 218350015]

約数ペア:

[(1, 218350015), (5, 43670003), (13, 16796155), (47, 4645745), (65, 3359231), (235, 929149), (611, 357365), (3055, 71473)]