66722410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 123541200

約数和(自身を除く): 56818790

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 1229, 2458, 5429, 6145, 10858, 12290, 27145, 54290, 74969, 109381, 149938, 218762, 374845, 546905, 749690, 1093810, 6672241, 13344482, 33361205, 66722410]

約数ペア:

[(1, 66722410), (2, 33361205), (5, 13344482), (10, 6672241), (61, 1093810), (89, 749690), (122, 546905), (178, 374845), (305, 218762), (445, 149938), (610, 109381), (890, 74969), (1229, 54290), (2458, 27145), (5429, 12290), (6145, 10858)]