28324478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8232

約数の個数: 32

約数和(自身を含む): 55050240

約数和(自身を除く): 26725762

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 8191, 16382, 57337, 106483, 114674, 155629, 212966, 311258, 745381, 1089403, 1490762, 2023177, 2178806, 4046354, 14162239, 28324478]

約数ペア:

[(1, 28324478), (2, 14162239), (7, 4046354), (13, 2178806), (14, 2023177), (19, 1490762), (26, 1089403), (38, 745381), (91, 311258), (133, 212966), (182, 155629), (247, 114674), (266, 106483), (494, 57337), (1729, 16382), (3458, 8191)]