28288568

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 41349832

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 2417, 2926, 4834, 5852, 9668, 11704, 16919, 19336, 26587, 33838, 45923, 53174, 67676, 91846, 106348, 135352, 183692, 186109, 212696, 321461, 367384, 372218, 505153, 642922, 744436, 1010306, 1285844, 1488872, 2020612, 2571688, 3536071, 4041224, 7072142, 14144284, 28288568]

約数ペア:

[(1, 28288568), (2, 14144284), (4, 7072142), (7, 4041224), (8, 3536071), (11, 2571688), (14, 2020612), (19, 1488872), (22, 1285844), (28, 1010306), (38, 744436), (44, 642922), (56, 505153), (76, 372218), (77, 367384), (88, 321461), (133, 212696), (152, 186109), (154, 183692), (209, 135352), (266, 106348), (308, 91846), (418, 67676), (532, 53174), (616, 45923), (836, 33838), (1064, 26587), (1463, 19336), (1672, 16919), (2417, 11704), (2926, 9668), (4834, 5852)]