27406778

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 24303622

約数列:

[1, 2, 7, 14, 19, 38, 41, 49, 82, 98, 133, 266, 287, 359, 574, 718, 779, 931, 1558, 1862, 2009, 2513, 4018, 5026, 5453, 6821, 10906, 13642, 14719, 17591, 29438, 35182, 38171, 47747, 76342, 95494, 103033, 206066, 279661, 334229, 559322, 668458, 721231, 1442462, 1957627, 3915254, 13703389, 27406778]

約数ペア:

[(1, 27406778), (2, 13703389), (7, 3915254), (14, 1957627), (19, 1442462), (38, 721231), (41, 668458), (49, 559322), (82, 334229), (98, 279661), (133, 206066), (266, 103033), (287, 95494), (359, 76342), (574, 47747), (718, 38171), (779, 35182), (931, 29438), (1558, 17591), (1862, 14719), (2009, 13642), (2513, 10906), (4018, 6821), (5026, 5453)]