81620868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 223491072

約数和(自身を除く): 141870204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 254, 294, 381, 508, 588, 762, 889, 1093, 1524, 1778, 2186, 2667, 3279, 3556, 4372, 5334, 6223, 6558, 7651, 10668, 12446, 13116, 15302, 18669, 22953, 24892, 30604, 37338, 45906, 53557, 74676, 91812, 107114, 138811, 160671, 214228, 277622, 321342, 416433, 555244, 642684, 832866, 971677, 1665732, 1943354, 2915031, 3886708, 5830062, 6801739, 11660124, 13603478, 20405217, 27206956, 40810434, 81620868]

約数ペア:

[(1, 81620868), (2, 40810434), (3, 27206956), (4, 20405217), (6, 13603478), (7, 11660124), (12, 6801739), (14, 5830062), (21, 3886708), (28, 2915031), (42, 1943354), (49, 1665732), (84, 971677), (98, 832866), (127, 642684), (147, 555244), (196, 416433), (254, 321342), (294, 277622), (381, 214228), (508, 160671), (588, 138811), (762, 107114), (889, 91812), (1093, 74676), (1524, 53557), (1778, 45906), (2186, 37338), (2667, 30604), (3279, 24892), (3556, 22953), (4372, 18669), (5334, 15302), (6223, 13116), (6558, 12446), (7651, 10668)]