138840026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{87541}}^1$

素因数の和:87617

約数の個数: 16

約数和(自身を含む): 227959368

約数和(自身を除く): 89119342

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 87541, 175082, 1138033, 2276066, 5340001, 10680002, 69420013, 138840026]

約数ペア:

[(1, 138840026), (2, 69420013), (13, 10680002), (26, 5340001), (61, 2276066), (122, 1138033), (793, 175082), (1586, 87541)]