286141786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 532224000

約数和(自身を除く): 246082214

約数列:

[1, 2, 7, 14, 19, 38, 71, 109, 133, 139, 142, 218, 266, 278, 497, 763, 973, 994, 1349, 1526, 1946, 2071, 2641, 2698, 4142, 5282, 7739, 9443, 9869, 14497, 15151, 15478, 18487, 18886, 19738, 28994, 30302, 36974, 54173, 69083, 106057, 108346, 138166, 147041, 187511, 212114, 287869, 294082, 375022, 575738, 1029287, 1075721, 1312577, 2015083, 2058574, 2151442, 2625154, 4030166, 7530047, 15060094, 20438699, 40877398, 143070893, 286141786]

約数ペア:

[(1, 286141786), (2, 143070893), (7, 40877398), (14, 20438699), (19, 15060094), (38, 7530047), (71, 4030166), (109, 2625154), (133, 2151442), (139, 2058574), (142, 2015083), (218, 1312577), (266, 1075721), (278, 1029287), (497, 575738), (763, 375022), (973, 294082), (994, 287869), (1349, 212114), (1526, 187511), (1946, 147041), (2071, 138166), (2641, 108346), (2698, 106057), (4142, 69083), (5282, 54173), (7739, 36974), (9443, 30302), (9869, 28994), (14497, 19738), (15151, 18886), (15478, 18487)]