1388039726

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1\times {\mathrm{5527}}^1$

素因数の和:6359

約数の個数: 16

約数和(自身を含む): 2096217600

約数和(自身を除く): 708177874

約数列:

[1, 2, 199, 398, 631, 1262, 5527, 11054, 125569, 251138, 1099873, 2199746, 3487537, 6975074, 694019863, 1388039726]

約数ペア:

[(1, 1388039726), (2, 694019863), (199, 6975074), (398, 3487537), (631, 2199746), (1262, 1099873), (5527, 251138), (11054, 125569)]