28420686

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 76826880

約数和(自身を除く): 48406194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 49, 54, 63, 69, 98, 126, 138, 147, 161, 189, 207, 294, 322, 378, 414, 441, 467, 483, 621, 882, 934, 966, 1127, 1242, 1323, 1401, 1449, 2254, 2646, 2802, 2898, 3269, 3381, 4203, 4347, 6538, 6762, 8406, 8694, 9807, 10143, 10741, 12609, 19614, 20286, 21482, 22883, 25218, 29421, 30429, 32223, 45766, 58842, 60858, 64446, 68649, 75187, 88263, 96669, 137298, 150374, 176526, 193338, 205947, 225561, 290007, 411894, 451122, 526309, 580014, 617841, 676683, 1052618, 1235682, 1353366, 1578927, 2030049, 3157854, 4060098, 4736781, 9473562, 14210343, 28420686]

約数ペア:

[(1, 28420686), (2, 14210343), (3, 9473562), (6, 4736781), (7, 4060098), (9, 3157854), (14, 2030049), (18, 1578927), (21, 1353366), (23, 1235682), (27, 1052618), (42, 676683), (46, 617841), (49, 580014), (54, 526309), (63, 451122), (69, 411894), (98, 290007), (126, 225561), (138, 205947), (147, 193338), (161, 176526), (189, 150374), (207, 137298), (294, 96669), (322, 88263), (378, 75187), (414, 68649), (441, 64446), (467, 60858), (483, 58842), (621, 45766), (882, 32223), (934, 30429), (966, 29421), (1127, 25218), (1242, 22883), (1323, 21482), (1401, 20286), (1449, 19614), (2254, 12609), (2646, 10741), (2802, 10143), (2898, 9807), (3269, 8694), (3381, 8406), (4203, 6762), (4347, 6538)]