81886436

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1621}}^1$

素因数の和:1871

約数の個数: 24

約数和(自身を含む): 146194104

約数和(自身を除く): 64307668

約数列:

[1, 2, 4, 73, 146, 173, 292, 346, 692, 1621, 3242, 6484, 12629, 25258, 50516, 118333, 236666, 280433, 473332, 560866, 1121732, 20471609, 40943218, 81886436]

約数ペア:

[(1, 81886436), (2, 40943218), (4, 20471609), (73, 1121732), (146, 560866), (173, 473332), (292, 280433), (346, 236666), (692, 118333), (1621, 50516), (3242, 25258), (6484, 12629)]