161393905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1\times {\mathrm{1409}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 200332800

約数和(自身を除く): 38938895

約数列:

[1, 5, 31, 155, 739, 1409, 3695, 7045, 22909, 43679, 114545, 218395, 1041251, 5206255, 32278781, 161393905]

約数ペア:

[(1, 161393905), (5, 32278781), (31, 5206255), (155, 1041251), (739, 218395), (1409, 114545), (3695, 43679), (7045, 22909)]