1285320968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{35381}}^1$

素因数の和:35645

約数の個数: 32

約数和(自身を含む): 2547504000

約数和(自身を除く): 1262183032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 956, 1912, 4541, 9082, 18164, 35381, 36328, 70762, 141524, 283048, 672239, 1344478, 2688956, 5377912, 8456059, 16912118, 33824236, 67648472, 160665121, 321330242, 642660484, 1285320968]

約数ペア:

[(1, 1285320968), (2, 642660484), (4, 321330242), (8, 160665121), (19, 67648472), (38, 33824236), (76, 16912118), (152, 8456059), (239, 5377912), (478, 2688956), (956, 1344478), (1912, 672239), (4541, 283048), (9082, 141524), (18164, 70762), (35381, 36328)]