215893548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 634023936

約数和(自身を除く): 418130388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 31, 36, 39, 46, 52, 62, 69, 78, 92, 93, 117, 124, 138, 156, 186, 207, 234, 276, 279, 299, 372, 403, 414, 468, 558, 598, 647, 713, 806, 828, 897, 1116, 1196, 1209, 1294, 1426, 1612, 1794, 1941, 2139, 2418, 2588, 2691, 2852, 3588, 3627, 3882, 4278, 4836, 5382, 5823, 6417, 7254, 7764, 8411, 8556, 9269, 10764, 11646, 12834, 14508, 14881, 16822, 18538, 20057, 23292, 25233, 25668, 27807, 29762, 33644, 37076, 40114, 44643, 50466, 55614, 59524, 60171, 75699, 80228, 83421, 89286, 100932, 111228, 120342, 133929, 151398, 166842, 178572, 180513, 193453, 240684, 260741, 267858, 302796, 333684, 361026, 386906, 461311, 521482, 535716, 580359, 722052, 773812, 782223, 922622, 1042964, 1160718, 1383933, 1564446, 1741077, 1845244, 2321436, 2346669, 2767866, 3128892, 3482154, 4151799, 4693338, 5535732, 5997043, 6964308, 8303598, 9386676, 11994086, 16607196, 17991129, 23988172, 35982258, 53973387, 71964516, 107946774, 215893548]

約数ペア:

[(1, 215893548), (2, 107946774), (3, 71964516), (4, 53973387), (6, 35982258), (9, 23988172), (12, 17991129), (13, 16607196), (18, 11994086), (23, 9386676), (26, 8303598), (31, 6964308), (36, 5997043), (39, 5535732), (46, 4693338), (52, 4151799), (62, 3482154), (69, 3128892), (78, 2767866), (92, 2346669), (93, 2321436), (117, 1845244), (124, 1741077), (138, 1564446), (156, 1383933), (186, 1160718), (207, 1042964), (234, 922622), (276, 782223), (279, 773812), (299, 722052), (372, 580359), (403, 535716), (414, 521482), (468, 461311), (558, 386906), (598, 361026), (647, 333684), (713, 302796), (806, 267858), (828, 260741), (897, 240684), (1116, 193453), (1196, 180513), (1209, 178572), (1294, 166842), (1426, 151398), (1612, 133929), (1794, 120342), (1941, 111228), (2139, 100932), (2418, 89286), (2588, 83421), (2691, 80228), (2852, 75699), (3588, 60171), (3627, 59524), (3882, 55614), (4278, 50466), (4836, 44643), (5382, 40114), (5823, 37076), (6417, 33644), (7254, 29762), (7764, 27807), (8411, 25668), (8556, 25233), (9269, 23292), (10764, 20057), (11646, 18538), (12834, 16822), (14508, 14881)]