86904005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 118333440

約数和(自身を除く): 31429435

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 437, 589, 713, 1283, 2185, 2945, 3565, 6415, 13547, 24377, 29509, 39773, 67735, 121885, 147545, 198865, 560671, 755687, 914779, 2803355, 3778435, 4573895, 17380801, 86904005]

約数ペア:

[(1, 86904005), (5, 17380801), (19, 4573895), (23, 3778435), (31, 2803355), (95, 914779), (115, 755687), (155, 560671), (437, 198865), (589, 147545), (713, 121885), (1283, 67735), (2185, 39773), (2945, 29509), (3565, 24377), (6415, 13547)]