25911972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 70630560

約数和(自身を除く): 44718588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 881, 1548, 1634, 1762, 2451, 2643, 3268, 3524, 4902, 5286, 7353, 7929, 9804, 10572, 14706, 15858, 16739, 29412, 31716, 33478, 37883, 50217, 66956, 75766, 100434, 113649, 150651, 151532, 200868, 227298, 301302, 340947, 454596, 602604, 681894, 719777, 1363788, 1439554, 2159331, 2879108, 4318662, 6477993, 8637324, 12955986, 25911972]

約数ペア:

[(1, 25911972), (2, 12955986), (3, 8637324), (4, 6477993), (6, 4318662), (9, 2879108), (12, 2159331), (18, 1439554), (19, 1363788), (36, 719777), (38, 681894), (43, 602604), (57, 454596), (76, 340947), (86, 301302), (114, 227298), (129, 200868), (171, 151532), (172, 150651), (228, 113649), (258, 100434), (342, 75766), (387, 66956), (516, 50217), (684, 37883), (774, 33478), (817, 31716), (881, 29412), (1548, 16739), (1634, 15858), (1762, 14706), (2451, 10572), (2643, 9804), (3268, 7929), (3524, 7353), (4902, 5286)]