78870841

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 97839360

約数和(自身を除く): 18968519

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 1489, 2303, 7567, 10423, 34247, 52969, 69983, 72961, 239729, 489881, 1609609, 1678103, 3429167, 11267263, 78870841]

約数ペア:

[(1, 78870841), (7, 11267263), (23, 3429167), (47, 1678103), (49, 1609609), (161, 489881), (329, 239729), (1081, 72961), (1127, 69983), (1489, 52969), (2303, 34247), (7567, 10423)]