221565316

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{78347}}^1$

素因数の和:78459

約数の個数: 24

約数和(自身を含む): 447523776

約数和(自身を除く): 225958460

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 78347, 156694, 313388, 548429, 1096858, 2193716, 7913047, 15826094, 31652188, 55391329, 110782658, 221565316]

約数ペア:

[(1, 221565316), (2, 110782658), (4, 55391329), (7, 31652188), (14, 15826094), (28, 7913047), (101, 2193716), (202, 1096858), (404, 548429), (707, 313388), (1414, 156694), (2828, 78347)]