81455164

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{49307}}^1$

素因数の和:49377

約数の個数: 24

約数和(自身を含む): 165674880

約数和(自身を除く): 84219716

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 49307, 98614, 197228, 345149, 690298, 1380596, 2909113, 5818226, 11636452, 20363791, 40727582, 81455164]

約数ペア:

[(1, 81455164), (2, 40727582), (4, 20363791), (7, 11636452), (14, 5818226), (28, 2909113), (59, 1380596), (118, 690298), (236, 345149), (413, 197228), (826, 98614), (1652, 49307)]