28253448

素因数分解:

$2^3\times 3^4\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 80586000

約数和(自身を除く): 52332552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 81, 108, 118, 162, 177, 216, 236, 324, 354, 472, 531, 648, 708, 739, 1062, 1416, 1478, 1593, 2124, 2217, 2956, 3186, 4248, 4434, 4779, 5912, 6372, 6651, 8868, 9558, 12744, 13302, 17736, 19116, 19953, 26604, 38232, 39906, 43601, 53208, 59859, 79812, 87202, 119718, 130803, 159624, 174404, 239436, 261606, 348808, 392409, 478872, 523212, 784818, 1046424, 1177227, 1569636, 2354454, 3139272, 3531681, 4708908, 7063362, 9417816, 14126724, 28253448]

約数ペア:

[(1, 28253448), (2, 14126724), (3, 9417816), (4, 7063362), (6, 4708908), (8, 3531681), (9, 3139272), (12, 2354454), (18, 1569636), (24, 1177227), (27, 1046424), (36, 784818), (54, 523212), (59, 478872), (72, 392409), (81, 348808), (108, 261606), (118, 239436), (162, 174404), (177, 159624), (216, 130803), (236, 119718), (324, 87202), (354, 79812), (472, 59859), (531, 53208), (648, 43601), (708, 39906), (739, 38232), (1062, 26604), (1416, 19953), (1478, 19116), (1593, 17736), (2124, 13302), (2217, 12744), (2956, 9558), (3186, 8868), (4248, 6651), (4434, 6372), (4779, 5912)]