172800004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{25367}}^1$

素因数の和:25515

約数の個数: 24

約数和(自身を含む): 328160448

約数和(自身を除く): 155360444

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3406, 6812, 25367, 50734, 101468, 329771, 659542, 1319084, 3323077, 6646154, 13292308, 43200001, 86400002, 172800004]

約数ペア:

[(1, 172800004), (2, 86400002), (4, 43200001), (13, 13292308), (26, 6646154), (52, 3323077), (131, 1319084), (262, 659542), (524, 329771), (1703, 101468), (3406, 50734), (6812, 25367)]