12664895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 15863040

約数和(自身を除く): 3198145

約数列:

[1, 5, 31, 101, 155, 505, 809, 3131, 4045, 15655, 25079, 81709, 125395, 408545, 2532979, 12664895]

約数ペア:

[(1, 12664895), (5, 2532979), (31, 408545), (101, 125395), (155, 81709), (505, 25079), (809, 15655), (3131, 4045)]