78234513

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 122254080

約数和(自身を除く): 44019567

約数列:

[1, 3, 7, 21, 61, 157, 183, 389, 427, 471, 1099, 1167, 1281, 2723, 3297, 8169, 9577, 23729, 28731, 61073, 67039, 71187, 166103, 183219, 201117, 427511, 498309, 1282533, 3725453, 11176359, 26078171, 78234513]

約数ペア:

[(1, 78234513), (3, 26078171), (7, 11176359), (21, 3725453), (61, 1282533), (157, 498309), (183, 427511), (389, 201117), (427, 183219), (471, 166103), (1099, 71187), (1167, 67039), (1281, 61073), (2723, 28731), (3297, 23729), (8169, 9577)]