28215684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 59843196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 71, 76, 83, 84, 114, 126, 133, 142, 166, 171, 213, 228, 249, 252, 266, 284, 332, 342, 399, 426, 497, 498, 532, 581, 639, 684, 747, 798, 852, 994, 996, 1162, 1197, 1278, 1349, 1491, 1494, 1577, 1596, 1743, 1988, 2324, 2394, 2556, 2698, 2982, 2988, 3154, 3486, 4047, 4473, 4731, 4788, 5229, 5396, 5893, 5964, 6308, 6972, 8094, 8946, 9443, 9462, 10458, 11039, 11786, 12141, 14193, 16188, 17679, 17892, 18886, 18924, 20916, 22078, 23572, 24282, 28329, 28386, 33117, 35358, 37772, 41251, 44156, 48564, 53037, 56658, 56772, 66234, 70716, 82502, 84987, 99351, 106074, 111967, 113316, 123753, 132468, 165004, 169974, 198702, 212148, 223934, 247506, 335901, 339948, 371259, 397404, 447868, 495012, 671802, 742518, 783769, 1007703, 1343604, 1485036, 1567538, 2015406, 2351307, 3135076, 4030812, 4702614, 7053921, 9405228, 14107842, 28215684]

約数ペア:

[(1, 28215684), (2, 14107842), (3, 9405228), (4, 7053921), (6, 4702614), (7, 4030812), (9, 3135076), (12, 2351307), (14, 2015406), (18, 1567538), (19, 1485036), (21, 1343604), (28, 1007703), (36, 783769), (38, 742518), (42, 671802), (57, 495012), (63, 447868), (71, 397404), (76, 371259), (83, 339948), (84, 335901), (114, 247506), (126, 223934), (133, 212148), (142, 198702), (166, 169974), (171, 165004), (213, 132468), (228, 123753), (249, 113316), (252, 111967), (266, 106074), (284, 99351), (332, 84987), (342, 82502), (399, 70716), (426, 66234), (497, 56772), (498, 56658), (532, 53037), (581, 48564), (639, 44156), (684, 41251), (747, 37772), (798, 35358), (852, 33117), (994, 28386), (996, 28329), (1162, 24282), (1197, 23572), (1278, 22078), (1349, 20916), (1491, 18924), (1494, 18886), (1577, 17892), (1596, 17679), (1743, 16188), (1988, 14193), (2324, 12141), (2394, 11786), (2556, 11039), (2698, 10458), (2982, 9462), (2988, 9443), (3154, 8946), (3486, 8094), (4047, 6972), (4473, 6308), (4731, 5964), (4788, 5893), (5229, 5396)]