28445508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 93358720

約数和(自身を除く): 64913212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 457, 468, 494, 532, 546, 684, 741, 798, 819, 914, 988, 1092, 1197, 1371, 1482, 1596, 1638, 1729, 1828, 2223, 2394, 2742, 2964, 3199, 3276, 3458, 4113, 4446, 4788, 5187, 5484, 5941, 6398, 6916, 8226, 8683, 8892, 9597, 10374, 11882, 12796, 15561, 16452, 17366, 17823, 19194, 20748, 23764, 26049, 28791, 31122, 34732, 35646, 38388, 41587, 52098, 53469, 57582, 60781, 62244, 71292, 78147, 83174, 104196, 106938, 112879, 115164, 121562, 124761, 156294, 166348, 182343, 213876, 225758, 243124, 249522, 312588, 338637, 364686, 374283, 451516, 499044, 547029, 677274, 729372, 748566, 790153, 1015911, 1094058, 1354548, 1497132, 1580306, 2031822, 2188116, 2370459, 3160612, 4063644, 4740918, 7111377, 9481836, 14222754, 28445508]

約数ペア:

[(1, 28445508), (2, 14222754), (3, 9481836), (4, 7111377), (6, 4740918), (7, 4063644), (9, 3160612), (12, 2370459), (13, 2188116), (14, 2031822), (18, 1580306), (19, 1497132), (21, 1354548), (26, 1094058), (28, 1015911), (36, 790153), (38, 748566), (39, 729372), (42, 677274), (52, 547029), (57, 499044), (63, 451516), (76, 374283), (78, 364686), (84, 338637), (91, 312588), (114, 249522), (117, 243124), (126, 225758), (133, 213876), (156, 182343), (171, 166348), (182, 156294), (228, 124761), (234, 121562), (247, 115164), (252, 112879), (266, 106938), (273, 104196), (342, 83174), (364, 78147), (399, 71292), (457, 62244), (468, 60781), (494, 57582), (532, 53469), (546, 52098), (684, 41587), (741, 38388), (798, 35646), (819, 34732), (914, 31122), (988, 28791), (1092, 26049), (1197, 23764), (1371, 20748), (1482, 19194), (1596, 17823), (1638, 17366), (1729, 16452), (1828, 15561), (2223, 12796), (2394, 11882), (2742, 10374), (2964, 9597), (3199, 8892), (3276, 8683), (3458, 8226), (4113, 6916), (4446, 6398), (4788, 5941), (5187, 5484)]