81987454

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{2141}}^1$

素因数の和:2651

約数の個数: 16

約数和(自身を含む): 126309456

約数和(自身を除く): 44322002

約数列:

[1, 2, 41, 82, 467, 934, 2141, 4282, 19147, 38294, 87781, 175562, 999847, 1999694, 40993727, 81987454]

約数ペア:

[(1, 81987454), (2, 40993727), (41, 1999694), (82, 999847), (467, 175562), (934, 87781), (2141, 38294), (4282, 19147)]