17678410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 32868432

約数和(自身を除く): 15190022

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 305, 365, 397, 610, 730, 794, 1985, 3970, 4453, 8906, 22265, 24217, 28981, 44530, 48434, 57962, 121085, 144905, 242170, 289810, 1767841, 3535682, 8839205, 17678410]

約数ペア:

[(1, 17678410), (2, 8839205), (5, 3535682), (10, 1767841), (61, 289810), (73, 242170), (122, 144905), (146, 121085), (305, 57962), (365, 48434), (397, 44530), (610, 28981), (730, 24217), (794, 22265), (1985, 8906), (3970, 4453)]