81978324

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{16703}}^1$

素因数の和:17119

約数の個数: 24

約数和(自身を含む): 191761920

約数和(自身を除く): 109783596

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4908, 16703, 33406, 50109, 66812, 100218, 200436, 6831527, 13663054, 20494581, 27326108, 40989162, 81978324]

約数ペア:

[(1, 81978324), (2, 40989162), (3, 27326108), (4, 20494581), (6, 13663054), (12, 6831527), (409, 200436), (818, 100218), (1227, 66812), (1636, 50109), (2454, 33406), (4908, 16703)]