16640914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 10730606

約数列:

[1, 2, 23, 43, 46, 47, 86, 94, 179, 358, 989, 1081, 1978, 2021, 2162, 4042, 4117, 7697, 8234, 8413, 15394, 16826, 46483, 92966, 177031, 193499, 354062, 361759, 386998, 723518, 8320457, 16640914]

約数ペア:

[(1, 16640914), (2, 8320457), (23, 723518), (43, 386998), (46, 361759), (47, 354062), (86, 193499), (94, 177031), (179, 92966), (358, 46483), (989, 16826), (1081, 15394), (1978, 8413), (2021, 8234), (2162, 7697), (4042, 4117)]