128439475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 167489280

約数和(自身を除く): 39049805

約数列:

[1, 5, 23, 25, 115, 139, 575, 695, 1607, 3197, 3475, 8035, 15985, 36961, 40175, 79925, 184805, 223373, 924025, 1116865, 5137579, 5584325, 25687895, 128439475]

約数ペア:

[(1, 128439475), (5, 25687895), (23, 5584325), (25, 5137579), (115, 1116865), (139, 924025), (575, 223373), (695, 184805), (1607, 79925), (3197, 40175), (3475, 36961), (8035, 15985)]