219228985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{3659}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 275114880

約数和(自身を除く): 55885895

約数列:

[1, 5, 23, 115, 521, 2605, 3659, 11983, 18295, 59915, 84157, 420785, 1906339, 9531695, 43845797, 219228985]

約数ペア:

[(1, 219228985), (5, 43845797), (23, 9531695), (115, 1906339), (521, 420785), (2605, 84157), (3659, 59915), (11983, 18295)]