71389658

素因数分解:

$2^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1373

約数の個数: 16

約数和(自身を含む): 108326400

約数和(自身を除く): 36936742

約数列:

[1, 2, 181, 199, 362, 398, 991, 1982, 36019, 72038, 179371, 197209, 358742, 394418, 35694829, 71389658]

約数ペア:

[(1, 71389658), (2, 35694829), (181, 394418), (199, 358742), (362, 197209), (398, 179371), (991, 72038), (1982, 36019)]