81989645

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1\times {\mathrm{619}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 100440000

約数和(自身を除く): 18450355

約数列:

[1, 5, 59, 295, 449, 619, 2245, 3095, 26491, 36521, 132455, 182605, 277931, 1389655, 16397929, 81989645]

約数ペア:

[(1, 81989645), (5, 16397929), (59, 1389655), (295, 277931), (449, 182605), (619, 132455), (2245, 36521), (3095, 26491)]