31415286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1965

約数の個数: 64

約数和(自身を含む): 79377408

約数和(自身を除く): 47962122

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 69, 102, 119, 138, 161, 238, 322, 357, 391, 483, 714, 782, 966, 1173, 1913, 2346, 2737, 3826, 5474, 5739, 8211, 11478, 13391, 16422, 26782, 32521, 40173, 43999, 65042, 80346, 87998, 97563, 131997, 195126, 227647, 263994, 307993, 455294, 615986, 682941, 747983, 923979, 1365882, 1495966, 1847958, 2243949, 4487898, 5235881, 10471762, 15707643, 31415286]

約数ペア:

[(1, 31415286), (2, 15707643), (3, 10471762), (6, 5235881), (7, 4487898), (14, 2243949), (17, 1847958), (21, 1495966), (23, 1365882), (34, 923979), (42, 747983), (46, 682941), (51, 615986), (69, 455294), (102, 307993), (119, 263994), (138, 227647), (161, 195126), (238, 131997), (322, 97563), (357, 87998), (391, 80346), (483, 65042), (714, 43999), (782, 40173), (966, 32521), (1173, 26782), (1913, 16422), (2346, 13391), (2737, 11478), (3826, 8211), (5474, 5739)]