31229718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{400381}}^1$

素因数の和:400399

約数の個数: 16

約数和(自身を含む): 67264176

約数和(自身を除く): 36034458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 400381, 800762, 1201143, 2402286, 5204953, 10409906, 15614859, 31229718]

約数ペア:

[(1, 31229718), (2, 15614859), (3, 10409906), (6, 5204953), (13, 2402286), (26, 1201143), (39, 800762), (78, 400381)]