1649239678

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1\times {\mathrm{19699}}^1$

素因数の和:20763

約数の個数: 16

約数和(自身を含む): 2536808400

約数和(自身を除く): 887568722

約数列:

[1, 2, 41, 82, 1021, 2042, 19699, 39398, 41861, 83722, 807659, 1615318, 20112679, 40225358, 824619839, 1649239678]

約数ペア:

[(1, 1649239678), (2, 824619839), (41, 40225358), (82, 20112679), (1021, 1615318), (2042, 807659), (19699, 83722), (39398, 41861)]