542672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2609}}^1$

素因数の和:2630

約数の個数: 20

約数和(自身を含む): 1132740

約数和(自身を除く): 590068

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2609, 5218, 10436, 20872, 33917, 41744, 67834, 135668, 271336, 542672]

約数ペア:

[(1, 542672), (2, 271336), (4, 135668), (8, 67834), (13, 41744), (16, 33917), (26, 20872), (52, 10436), (104, 5218), (208, 2609)]