661255328

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1087591}}^1$

素因数の和:1087620

約数の個数: 24

約数和(自身を含む): 1370365920

約数和(自身を除く): 709110592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1087591, 2175182, 4350364, 8700728, 17401456, 20664229, 34802912, 41328458, 82656916, 165313832, 330627664, 661255328]

約数ペア:

[(1, 661255328), (2, 330627664), (4, 165313832), (8, 82656916), (16, 41328458), (19, 34802912), (32, 20664229), (38, 17401456), (76, 8700728), (152, 4350364), (304, 2175182), (608, 1087591)]