80878538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{17981}}^1$

素因数の和:18169

約数の個数: 16

約数和(自身を含む): 131412456

約数和(自身を除く): 50533918

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 17981, 35962, 233753, 467506, 3110713, 6221426, 40439269, 80878538]

約数ペア:

[(1, 80878538), (2, 40439269), (13, 6221426), (26, 3110713), (173, 467506), (346, 233753), (2249, 35962), (4498, 17981)]