81614778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1943209}}^1$

素因数の和:1943221

約数の個数: 16

約数和(自身を含む): 186548160

約数和(自身を除く): 104933382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1943209, 3886418, 5829627, 11659254, 13602463, 27204926, 40807389, 81614778]

約数ペア:

[(1, 81614778), (2, 40807389), (3, 27204926), (6, 13602463), (7, 11659254), (14, 5829627), (21, 3886418), (42, 1943209)]