28223888

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 70471680

約数和(自身を除く): 42247792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 739, 868, 1232, 1364, 1478, 1736, 2387, 2728, 2956, 3472, 4774, 5173, 5456, 5912, 8129, 9548, 10346, 11824, 16258, 19096, 20692, 22909, 32516, 38192, 41384, 45818, 56903, 65032, 82768, 91636, 113806, 130064, 160363, 183272, 227612, 251999, 320726, 366544, 455224, 503998, 641452, 910448, 1007996, 1282904, 1763993, 2015992, 2565808, 3527986, 4031984, 7055972, 14111944, 28223888]

約数ペア:

[(1, 28223888), (2, 14111944), (4, 7055972), (7, 4031984), (8, 3527986), (11, 2565808), (14, 2015992), (16, 1763993), (22, 1282904), (28, 1007996), (31, 910448), (44, 641452), (56, 503998), (62, 455224), (77, 366544), (88, 320726), (112, 251999), (124, 227612), (154, 183272), (176, 160363), (217, 130064), (248, 113806), (308, 91636), (341, 82768), (434, 65032), (496, 56903), (616, 45818), (682, 41384), (739, 38192), (868, 32516), (1232, 22909), (1364, 20692), (1478, 19096), (1736, 16258), (2387, 11824), (2728, 10346), (2956, 9548), (3472, 8129), (4774, 5912), (5173, 5456)]