138720056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{422927}}^1$

素因数の和:422974

約数の個数: 16

約数和(自身を含む): 266444640

約数和(自身を除く): 127724584

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 422927, 845854, 1691708, 3383416, 17340007, 34680014, 69360028, 138720056]

約数ペア:

[(1, 138720056), (2, 69360028), (4, 34680014), (8, 17340007), (41, 3383416), (82, 1691708), (164, 845854), (328, 422927)]