339927978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{61381}}^1$

素因数の和:61470

約数の個数: 32

約数和(自身を含む): 742476672

約数和(自身を除く): 402548694

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 61381, 122762, 184143, 368286, 797953, 1595906, 2393859, 4358051, 4787718, 8716102, 13074153, 26148306, 56654663, 113309326, 169963989, 339927978]

約数ペア:

[(1, 339927978), (2, 169963989), (3, 113309326), (6, 56654663), (13, 26148306), (26, 13074153), (39, 8716102), (71, 4787718), (78, 4358051), (142, 2393859), (213, 1595906), (426, 797953), (923, 368286), (1846, 184143), (2769, 122762), (5538, 61381)]