13438672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{64609}}^1$

素因数の和:64630

約数の個数: 20

約数和(自身を含む): 28040740

約数和(自身を除く): 14602068

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 64609, 129218, 258436, 516872, 839917, 1033744, 1679834, 3359668, 6719336, 13438672]

約数ペア:

[(1, 13438672), (2, 6719336), (4, 3359668), (8, 1679834), (13, 1033744), (16, 839917), (26, 516872), (52, 258436), (104, 129218), (208, 64609)]