257178528

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1171

約数の個数: 144

約数和(自身を含む): 788467680

約数和(自身を除く): 531289152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 43, 48, 57, 72, 76, 86, 96, 114, 129, 144, 152, 171, 172, 228, 258, 288, 304, 342, 344, 387, 456, 516, 608, 684, 688, 774, 817, 912, 1032, 1093, 1368, 1376, 1548, 1634, 1824, 2064, 2186, 2451, 2736, 3096, 3268, 3279, 4128, 4372, 4902, 5472, 6192, 6536, 6558, 7353, 8744, 9804, 9837, 12384, 13072, 13116, 14706, 17488, 19608, 19674, 20767, 26144, 26232, 29412, 34976, 39216, 39348, 41534, 46999, 52464, 58824, 62301, 78432, 78696, 83068, 93998, 104928, 117648, 124602, 140997, 157392, 166136, 186903, 187996, 235296, 249204, 281994, 314784, 332272, 373806, 375992, 422991, 498408, 563988, 664544, 747612, 751984, 845982, 892981, 996816, 1127976, 1495224, 1503968, 1691964, 1785962, 1993632, 2255952, 2678943, 2990448, 3383928, 3571924, 4511904, 5357886, 5980896, 6767856, 7143848, 8036829, 10715772, 13535712, 14287696, 16073658, 21431544, 28575392, 32147316, 42863088, 64294632, 85726176, 128589264, 257178528]

約数ペア:

[(1, 257178528), (2, 128589264), (3, 85726176), (4, 64294632), (6, 42863088), (8, 32147316), (9, 28575392), (12, 21431544), (16, 16073658), (18, 14287696), (19, 13535712), (24, 10715772), (32, 8036829), (36, 7143848), (38, 6767856), (43, 5980896), (48, 5357886), (57, 4511904), (72, 3571924), (76, 3383928), (86, 2990448), (96, 2678943), (114, 2255952), (129, 1993632), (144, 1785962), (152, 1691964), (171, 1503968), (172, 1495224), (228, 1127976), (258, 996816), (288, 892981), (304, 845982), (342, 751984), (344, 747612), (387, 664544), (456, 563988), (516, 498408), (608, 422991), (684, 375992), (688, 373806), (774, 332272), (817, 314784), (912, 281994), (1032, 249204), (1093, 235296), (1368, 187996), (1376, 186903), (1548, 166136), (1634, 157392), (1824, 140997), (2064, 124602), (2186, 117648), (2451, 104928), (2736, 93998), (3096, 83068), (3268, 78696), (3279, 78432), (4128, 62301), (4372, 58824), (4902, 52464), (5472, 46999), (6192, 41534), (6536, 39348), (6558, 39216), (7353, 34976), (8744, 29412), (9804, 26232), (9837, 26144), (12384, 20767), (13072, 19674), (13116, 19608), (14706, 17488)]