28108577

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 33090432

約数和(自身を除く): 4981855

約数列:

[1, 7, 67, 73, 469, 511, 821, 4891, 5747, 34237, 55007, 59933, 385049, 419531, 4015511, 28108577]

約数ペア:

[(1, 28108577), (7, 4015511), (67, 419531), (73, 385049), (469, 59933), (511, 55007), (821, 34237), (4891, 5747)]