66643564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67453}}^1$

素因数の和:67489

約数の個数: 24

約数和(自身を含む): 132209840

約数和(自身を除く): 65566276

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 67453, 134906, 269812, 876889, 1281607, 1753778, 2563214, 3507556, 5126428, 16660891, 33321782, 66643564]

約数ペア:

[(1, 66643564), (2, 33321782), (4, 16660891), (13, 5126428), (19, 3507556), (26, 2563214), (38, 1753778), (52, 1281607), (76, 876889), (247, 269812), (494, 134906), (988, 67453)]