639445354

素因数分解:

$2^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1\times {\mathrm{1973}}^1$

素因数の和:2789

約数の個数: 16

約数和(自身を含む): 964480608

約数和(自身を除く): 325035254

約数列:

[1, 2, 347, 467, 694, 934, 1973, 3946, 162049, 324098, 684631, 921391, 1369262, 1842782, 319722677, 639445354]

約数ペア:

[(1, 639445354), (2, 319722677), (347, 1842782), (467, 1369262), (694, 921391), (934, 684631), (1973, 324098), (3946, 162049)]