81519436

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{8221}}^1$

素因数の和:8329

約数の個数: 24

約数和(自身を含む): 148719536

約数和(自身を除く): 67200100

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2479, 4958, 8221, 9916, 16442, 32884, 304177, 550807, 608354, 1101614, 1216708, 2203228, 20379859, 40759718, 81519436]

約数ペア:

[(1, 81519436), (2, 40759718), (4, 20379859), (37, 2203228), (67, 1216708), (74, 1101614), (134, 608354), (148, 550807), (268, 304177), (2479, 32884), (4958, 16442), (8221, 9916)]