81519738

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{86539}}^1$

素因数の和:86701

約数の個数: 16

約数和(自身を含む): 164079840

約数和(自身を除く): 82560102

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 86539, 173078, 259617, 519234, 13586623, 27173246, 40759869, 81519738]

約数ペア:

[(1, 81519738), (2, 40759869), (3, 27173246), (6, 13586623), (157, 519234), (314, 259617), (471, 173078), (942, 86539)]