81305718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1042381}}^1$

素因数の和:1042399

約数の個数: 16

約数和(自身を含む): 175120176

約数和(自身を除く): 93814458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1042381, 2084762, 3127143, 6254286, 13550953, 27101906, 40652859, 81305718]

約数ペア:

[(1, 81305718), (2, 40652859), (3, 27101906), (6, 13550953), (13, 6254286), (26, 3127143), (39, 2084762), (78, 1042381)]