1639844538

素因数分解:

$2^1\times 3^1\times {\mathrm{1997}}^1\times {\mathrm{136859}}^1$

素因数の和:138861

約数の個数: 16

約数和(自身を含む): 3281355360

約数和(自身を除く): 1641510822

約数列:

[1, 2, 3, 6, 1997, 3994, 5991, 11982, 136859, 273718, 410577, 821154, 273307423, 546614846, 819922269, 1639844538]

約数ペア:

[(1, 1639844538), (2, 819922269), (3, 546614846), (6, 273307423), (1997, 821154), (3994, 410577), (5991, 273718), (11982, 136859)]