28391671

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5051}}^1$

素因数の和:5142

約数の個数: 16

約数和(自身を含む): 35889408

約数和(自身を除く): 7497737

約数列:

[1, 7, 11, 73, 77, 511, 803, 5051, 5621, 35357, 55561, 368723, 388927, 2581061, 4055953, 28391671]

約数ペア:

[(1, 28391671), (7, 4055953), (11, 2581061), (73, 388927), (77, 368723), (511, 55561), (803, 35357), (5051, 5621)]