628148521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36913}}^1$

素因数の和:36961

約数の個数: 32

約数和(自身を含む): 893023488

約数和(自身を除く): 264874967

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 17017, 36913, 258391, 406043, 479869, 627521, 2842301, 3359083, 4392647, 5278559, 6902731, 8157773, 36949913, 48319117, 57104411, 89735503, 628148521]

約数ペア:

[(1, 628148521), (7, 89735503), (11, 57104411), (13, 48319117), (17, 36949913), (77, 8157773), (91, 6902731), (119, 5278559), (143, 4392647), (187, 3359083), (221, 2842301), (1001, 627521), (1309, 479869), (1547, 406043), (2431, 258391), (17017, 36913)]