28112472

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 78159900

約数和(自身を除く): 50047428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 139, 159, 212, 278, 318, 417, 424, 477, 556, 636, 834, 954, 1112, 1251, 1272, 1668, 1908, 2502, 2809, 3336, 3816, 5004, 5618, 7367, 8427, 10008, 11236, 14734, 16854, 22101, 22472, 25281, 29468, 33708, 44202, 50562, 58936, 66303, 67416, 88404, 101124, 132606, 176808, 202248, 265212, 390451, 530424, 780902, 1171353, 1561804, 2342706, 3123608, 3514059, 4685412, 7028118, 9370824, 14056236, 28112472]

約数ペア:

[(1, 28112472), (2, 14056236), (3, 9370824), (4, 7028118), (6, 4685412), (8, 3514059), (9, 3123608), (12, 2342706), (18, 1561804), (24, 1171353), (36, 780902), (53, 530424), (72, 390451), (106, 265212), (139, 202248), (159, 176808), (212, 132606), (278, 101124), (318, 88404), (417, 67416), (424, 66303), (477, 58936), (556, 50562), (636, 44202), (834, 33708), (954, 29468), (1112, 25281), (1251, 22472), (1272, 22101), (1668, 16854), (1908, 14734), (2502, 11236), (2809, 10008), (3336, 8427), (3816, 7367), (5004, 5618)]