257506308

素因数分解:

$2^2\times 3^2\times {\mathrm{727}}^1\times {\mathrm{9839}}^1$

素因数の和:10576

約数の個数: 36

約数和(自身を含む): 651880320

約数和(自身を除く): 394374012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 727, 1454, 2181, 2908, 4362, 6543, 8724, 9839, 13086, 19678, 26172, 29517, 39356, 59034, 88551, 118068, 177102, 354204, 7152953, 14305906, 21458859, 28611812, 42917718, 64376577, 85835436, 128753154, 257506308]

約数ペア:

[(1, 257506308), (2, 128753154), (3, 85835436), (4, 64376577), (6, 42917718), (9, 28611812), (12, 21458859), (18, 14305906), (36, 7152953), (727, 354204), (1454, 177102), (2181, 118068), (2908, 88551), (4362, 59034), (6543, 39356), (8724, 29517), (9839, 26172), (13086, 19678)]