128951575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{677}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 168984720

約数和(自身を除く): 40033145

約数列:

[1, 5, 19, 25, 95, 401, 475, 677, 2005, 3385, 7619, 10025, 12863, 16925, 38095, 64315, 190475, 271477, 321575, 1357385, 5158063, 6786925, 25790315, 128951575]

約数ペア:

[(1, 128951575), (5, 25790315), (19, 6786925), (25, 5158063), (95, 1357385), (401, 321575), (475, 271477), (677, 190475), (2005, 64315), (3385, 38095), (7619, 16925), (10025, 12863)]