28139342

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 28539058

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 59, 77, 118, 133, 154, 163, 209, 266, 326, 413, 418, 649, 826, 1121, 1141, 1298, 1463, 1793, 2242, 2282, 2926, 3097, 3586, 4543, 6194, 7847, 9086, 9617, 12331, 12551, 15694, 19234, 21679, 24662, 25102, 34067, 43358, 67319, 68134, 86317, 105787, 134638, 172634, 182723, 211574, 238469, 365446, 476938, 740509, 1279061, 1481018, 2009953, 2558122, 4019906, 14069671, 28139342]

約数ペア:

[(1, 28139342), (2, 14069671), (7, 4019906), (11, 2558122), (14, 2009953), (19, 1481018), (22, 1279061), (38, 740509), (59, 476938), (77, 365446), (118, 238469), (133, 211574), (154, 182723), (163, 172634), (209, 134638), (266, 105787), (326, 86317), (413, 68134), (418, 67319), (649, 43358), (826, 34067), (1121, 25102), (1141, 24662), (1298, 21679), (1463, 19234), (1793, 15694), (2242, 12551), (2282, 12331), (2926, 9617), (3097, 9086), (3586, 7847), (4543, 6194)]