12780778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3517}}^1$

素因数の和:3621

約数の個数: 16

約数和(自身を含む): 20263680

約数和(自身を除く): 7482902

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3517, 3634, 7034, 80891, 161782, 277843, 555686, 6390389, 12780778]

約数ペア:

[(1, 12780778), (2, 6390389), (23, 555686), (46, 277843), (79, 161782), (158, 80891), (1817, 7034), (3517, 3634)]