201320581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 262828800

約数和(自身を除く): 61508219

約数列:

[1, 7, 11, 29, 77, 89, 203, 319, 623, 979, 1013, 2233, 2581, 6853, 7091, 11143, 18067, 28391, 29377, 78001, 90157, 198737, 205639, 323147, 631099, 991727, 2262029, 2614553, 6942089, 18301871, 28760083, 201320581]

約数ペア:

[(1, 201320581), (7, 28760083), (11, 18301871), (29, 6942089), (77, 2614553), (89, 2262029), (203, 991727), (319, 631099), (623, 323147), (979, 205639), (1013, 198737), (2233, 90157), (2581, 78001), (6853, 29377), (7091, 28391), (11143, 18067)]