271976978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1599

約数の個数: 64

約数和(自身を含む): 536481792

約数和(自身を除く): 264504814

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 161, 182, 299, 301, 322, 559, 598, 602, 989, 1118, 1511, 1978, 2093, 3022, 3913, 4186, 6923, 7826, 10577, 12857, 13846, 19643, 21154, 25714, 34753, 39286, 64973, 69506, 89999, 129946, 137501, 179998, 243271, 275002, 451789, 454811, 486542, 844649, 903578, 909622, 1494379, 1689298, 2988758, 3162523, 5912543, 6325046, 10460653, 11825086, 19426927, 20921306, 38853854, 135988489, 271976978]

約数ペア:

[(1, 271976978), (2, 135988489), (7, 38853854), (13, 20921306), (14, 19426927), (23, 11825086), (26, 10460653), (43, 6325046), (46, 5912543), (86, 3162523), (91, 2988758), (161, 1689298), (182, 1494379), (299, 909622), (301, 903578), (322, 844649), (559, 486542), (598, 454811), (602, 451789), (989, 275002), (1118, 243271), (1511, 179998), (1978, 137501), (2093, 129946), (3022, 89999), (3913, 69506), (4186, 64973), (6923, 39286), (7826, 34753), (10577, 25714), (12857, 21154), (13846, 19643)]