78372359

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 93434880

約数和(自身を除く): 15062521

約数列:

[1, 13, 19, 43, 47, 157, 247, 559, 611, 817, 893, 2021, 2041, 2983, 6751, 7379, 10621, 11609, 26273, 38399, 38779, 87763, 95927, 128269, 140201, 317297, 499187, 1667497, 1822613, 4124861, 6028643, 78372359]

約数ペア:

[(1, 78372359), (13, 6028643), (19, 4124861), (43, 1822613), (47, 1667497), (157, 499187), (247, 317297), (559, 140201), (611, 128269), (817, 95927), (893, 87763), (2021, 38779), (2041, 38399), (2983, 26273), (6751, 11609), (7379, 10621)]