78181814

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 125680896

約数和(自身を除く): 47499082

約数列:

[1, 2, 31, 37, 62, 74, 173, 197, 346, 394, 1147, 2294, 5363, 6107, 6401, 7289, 10726, 12214, 12802, 14578, 34081, 68162, 198431, 225959, 396862, 451918, 1056511, 1260997, 2113022, 2521994, 39090907, 78181814]

約数ペア:

[(1, 78181814), (2, 39090907), (31, 2521994), (37, 2113022), (62, 1260997), (74, 1056511), (173, 451918), (197, 396862), (346, 225959), (394, 198431), (1147, 68162), (2294, 34081), (5363, 14578), (6107, 12802), (6401, 12214), (7289, 10726)]