28878905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9907}}^1$

素因数の和:9976

約数の個数: 16

約数和(自身を含む): 38522304

約数和(自身を除く): 9643399

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 9907, 49535, 108977, 525071, 544885, 2625355, 5775781, 28878905]

約数ペア:

[(1, 28878905), (5, 5775781), (11, 2625355), (53, 544885), (55, 525071), (265, 108977), (583, 49535), (2915, 9907)]