78208039

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 99688064

約数和(自身を除く): 21480025

約数列:

[1, 7, 13, 61, 73, 91, 193, 427, 511, 793, 949, 1351, 2509, 4453, 5551, 6643, 11773, 14089, 17563, 31171, 57889, 82411, 98623, 153049, 183157, 405223, 859429, 1071343, 1282099, 6016003, 11172577, 78208039]

約数ペア:

[(1, 78208039), (7, 11172577), (13, 6016003), (61, 1282099), (73, 1071343), (91, 859429), (193, 405223), (427, 183157), (511, 153049), (793, 98623), (949, 82411), (1351, 57889), (2509, 31171), (4453, 17563), (5551, 14089), (6643, 11773)]