28321690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1698

約数の個数: 32

約数和(自身を含む): 53634960

約数和(自身を除く): 25313270

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1601, 1769, 3202, 3538, 8005, 8845, 16010, 17690, 46429, 92858, 97661, 195322, 232145, 464290, 488305, 976610, 2832169, 5664338, 14160845, 28321690]

約数ペア:

[(1, 28321690), (2, 14160845), (5, 5664338), (10, 2832169), (29, 976610), (58, 488305), (61, 464290), (122, 232145), (145, 195322), (290, 97661), (305, 92858), (610, 46429), (1601, 17690), (1769, 16010), (3202, 8845), (3538, 8005)]