81042704

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 163215000

約数和(自身を除く): 82172296

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 389, 449, 464, 778, 898, 1556, 1796, 3112, 3592, 6224, 7184, 11281, 13021, 22562, 26042, 45124, 52084, 90248, 104168, 174661, 180496, 208336, 349322, 698644, 1397288, 2794576, 5065169, 10130338, 20260676, 40521352, 81042704]

約数ペア:

[(1, 81042704), (2, 40521352), (4, 20260676), (8, 10130338), (16, 5065169), (29, 2794576), (58, 1397288), (116, 698644), (232, 349322), (389, 208336), (449, 180496), (464, 174661), (778, 104168), (898, 90248), (1556, 52084), (1796, 45124), (3112, 26042), (3592, 22562), (6224, 13021), (7184, 11281)]