131211906

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 309504000

約数和(自身を除く): 178292094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 343, 618, 619, 686, 721, 1029, 1238, 1442, 1857, 2058, 2163, 3714, 4326, 4333, 5047, 8666, 10094, 12999, 15141, 25998, 30282, 30331, 35329, 60662, 63757, 70658, 90993, 105987, 127514, 181986, 191271, 211974, 212317, 382542, 424634, 446299, 636951, 892598, 1273902, 1338897, 2677794, 3124093, 6248186, 9372279, 18744558, 21868651, 43737302, 65605953, 131211906]

約数ペア:

[(1, 131211906), (2, 65605953), (3, 43737302), (6, 21868651), (7, 18744558), (14, 9372279), (21, 6248186), (42, 3124093), (49, 2677794), (98, 1338897), (103, 1273902), (147, 892598), (206, 636951), (294, 446299), (309, 424634), (343, 382542), (618, 212317), (619, 211974), (686, 191271), (721, 181986), (1029, 127514), (1238, 105987), (1442, 90993), (1857, 70658), (2058, 63757), (2163, 60662), (3714, 35329), (4326, 30331), (4333, 30282), (5047, 25998), (8666, 15141), (10094, 12999)]