388980202

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{28069}}^1$

素因数の和:28138

約数の個数: 24

約数和(自身を含む): 647238060

約数和(自身を除く): 258257858

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 6929, 13858, 28069, 56138, 364897, 729794, 1150829, 2301658, 4743661, 9487322, 14960777, 29921554, 194490101, 388980202]

約数ペア:

[(1, 388980202), (2, 194490101), (13, 29921554), (26, 14960777), (41, 9487322), (82, 4743661), (169, 2301658), (338, 1150829), (533, 729794), (1066, 364897), (6929, 56138), (13858, 28069)]