213426164

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 461180160

約数和(自身を除く): 247753996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 223, 257, 266, 446, 514, 532, 892, 931, 1028, 1561, 1799, 1862, 3122, 3598, 3724, 4237, 4883, 6244, 7196, 8474, 9766, 10927, 12593, 16948, 19532, 21854, 25186, 29659, 34181, 43708, 50372, 57311, 59318, 68362, 114622, 118636, 136724, 207613, 229244, 239267, 401177, 415226, 478534, 802354, 830452, 957068, 1088909, 1604708, 2177818, 2808239, 4355636, 5616478, 7622363, 11232956, 15244726, 30489452, 53356541, 106713082, 213426164]

約数ペア:

[(1, 213426164), (2, 106713082), (4, 53356541), (7, 30489452), (14, 15244726), (19, 11232956), (28, 7622363), (38, 5616478), (49, 4355636), (76, 2808239), (98, 2177818), (133, 1604708), (196, 1088909), (223, 957068), (257, 830452), (266, 802354), (446, 478534), (514, 415226), (532, 401177), (892, 239267), (931, 229244), (1028, 207613), (1561, 136724), (1799, 118636), (1862, 114622), (3122, 68362), (3598, 59318), (3724, 57311), (4237, 50372), (4883, 43708), (6244, 34181), (7196, 29659), (8474, 25186), (9766, 21854), (10927, 19532), (12593, 16948)]