13281779

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2699}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 16416000

約数和(自身を除く): 3134221

約数列:

[1, 7, 19, 37, 133, 259, 703, 2699, 4921, 18893, 51281, 99863, 358967, 699041, 1897397, 13281779]

約数ペア:

[(1, 13281779), (7, 1897397), (19, 699041), (37, 358967), (133, 99863), (259, 51281), (703, 18893), (2699, 4921)]