278199852

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{11003}}^1$

素因数の和:11067

約数の個数: 72

約数和(自身を含む): 772744896

約数和(自身を除く): 494545044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1806, 2107, 3612, 4214, 6321, 8428, 11003, 12642, 22006, 25284, 33009, 44012, 66018, 77021, 132036, 154042, 231063, 308084, 462126, 473129, 539147, 924252, 946258, 1078294, 1419387, 1617441, 1892516, 2156588, 2838774, 3234882, 3311903, 5677548, 6469764, 6623806, 9935709, 13247612, 19871418, 23183321, 39742836, 46366642, 69549963, 92733284, 139099926, 278199852]

約数ペア:

[(1, 278199852), (2, 139099926), (3, 92733284), (4, 69549963), (6, 46366642), (7, 39742836), (12, 23183321), (14, 19871418), (21, 13247612), (28, 9935709), (42, 6623806), (43, 6469764), (49, 5677548), (84, 3311903), (86, 3234882), (98, 2838774), (129, 2156588), (147, 1892516), (172, 1617441), (196, 1419387), (258, 1078294), (294, 946258), (301, 924252), (516, 539147), (588, 473129), (602, 462126), (903, 308084), (1204, 231063), (1806, 154042), (2107, 132036), (3612, 77021), (4214, 66018), (6321, 44012), (8428, 33009), (11003, 25284), (12642, 22006)]