31967748

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 83891808

約数和(自身を除く): 51924060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 107, 129, 172, 193, 214, 258, 321, 386, 387, 428, 516, 579, 642, 772, 774, 963, 1158, 1284, 1548, 1737, 1926, 2316, 3474, 3852, 4601, 6948, 8299, 9202, 13803, 16598, 18404, 20651, 24897, 27606, 33196, 41302, 41409, 49794, 55212, 61953, 74691, 82604, 82818, 99588, 123906, 149382, 165636, 185859, 247812, 298764, 371718, 743436, 887993, 1775986, 2663979, 3551972, 5327958, 7991937, 10655916, 15983874, 31967748]

約数ペア:

[(1, 31967748), (2, 15983874), (3, 10655916), (4, 7991937), (6, 5327958), (9, 3551972), (12, 2663979), (18, 1775986), (36, 887993), (43, 743436), (86, 371718), (107, 298764), (129, 247812), (172, 185859), (193, 165636), (214, 149382), (258, 123906), (321, 99588), (386, 82818), (387, 82604), (428, 74691), (516, 61953), (579, 55212), (642, 49794), (772, 41409), (774, 41302), (963, 33196), (1158, 27606), (1284, 24897), (1548, 20651), (1737, 18404), (1926, 16598), (2316, 13803), (3474, 9202), (3852, 8299), (4601, 6948)]