80722564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81703}}^1$

素因数の和:81739

約数の個数: 24

約数和(自身を含む): 160139840

約数和(自身を除く): 79417276

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 81703, 163406, 326812, 1062139, 1552357, 2124278, 3104714, 4248556, 6209428, 20180641, 40361282, 80722564]

約数ペア:

[(1, 80722564), (2, 40361282), (4, 20180641), (13, 6209428), (19, 4248556), (26, 3104714), (38, 2124278), (52, 1552357), (76, 1062139), (247, 326812), (494, 163406), (988, 81703)]