212985563

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{4409}}^1$

素因数の和:4586

約数の個数: 16

約数和(自身を含む): 249500160

約数和(自身を除く): 36514597

約数列:

[1, 7, 67, 103, 469, 721, 4409, 6901, 30863, 48307, 295403, 454127, 2067821, 3178889, 30426509, 212985563]

約数ペア:

[(1, 212985563), (7, 30426509), (67, 3178889), (103, 2067821), (469, 454127), (721, 295403), (4409, 48307), (6901, 30863)]