1320161245

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67927}}^1$

素因数の和:67981

約数の個数: 24

約数和(自身を含む): 1790038656

約数和(自身を除く): 469877411

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3887, 19435, 67927, 339635, 883051, 1562321, 4415255, 7811605, 11479663, 20310173, 57398315, 101550865, 264032249, 1320161245]

約数ペア:

[(1, 1320161245), (5, 264032249), (13, 101550865), (23, 57398315), (65, 20310173), (115, 11479663), (169, 7811605), (299, 4415255), (845, 1562321), (1495, 883051), (3887, 339635), (19435, 67927)]