78840538

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3571}}^1$

素因数の和:3682

約数の個数: 32

約数和(自身を含む): 144023040

約数和(自身を除く): 65182502

約数列:

[1, 2, 7, 14, 19, 38, 83, 133, 166, 266, 581, 1162, 1577, 3154, 3571, 7142, 11039, 22078, 24997, 49994, 67849, 135698, 296393, 474943, 592786, 949886, 2074751, 4149502, 5631467, 11262934, 39420269, 78840538]

約数ペア:

[(1, 78840538), (2, 39420269), (7, 11262934), (14, 5631467), (19, 4149502), (38, 2074751), (83, 949886), (133, 592786), (166, 474943), (266, 296393), (581, 135698), (1162, 67849), (1577, 49994), (3154, 24997), (3571, 22078), (7142, 11039)]