216744385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{303139}}^1$

素因数の和:303168

約数の個数: 16

約数和(自身を含む): 305565120

約数和(自身を除く): 88820735

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 303139, 1515695, 3334529, 3940807, 16672645, 19704035, 43348877, 216744385]

約数ペア:

[(1, 216744385), (5, 43348877), (11, 19704035), (13, 16672645), (55, 3940807), (65, 3334529), (143, 1515695), (715, 303139)]