1664468351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{4091}}^1$

素因数の和:4391

約数の個数: 32

約数和(自身を含む): 2177860608

約数和(自身を除く): 513392257

約数列:

[1, 7, 13, 17, 91, 119, 221, 263, 1547, 1841, 3419, 4091, 4471, 23933, 28637, 31297, 53183, 58123, 69547, 372281, 406861, 486829, 904111, 1075933, 6328777, 7531531, 13987129, 18290861, 97909903, 128036027, 237781193, 1664468351]

約数ペア:

[(1, 1664468351), (7, 237781193), (13, 128036027), (17, 97909903), (91, 18290861), (119, 13987129), (221, 7531531), (263, 6328777), (1547, 1075933), (1841, 904111), (3419, 486829), (4091, 406861), (4471, 372281), (23933, 69547), (28637, 58123), (31297, 53183)]