28979832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 89510400

約数和(自身を除く): 60530568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 73, 84, 102, 119, 136, 139, 146, 168, 204, 219, 238, 278, 292, 357, 408, 417, 438, 476, 511, 556, 584, 714, 834, 876, 952, 973, 1022, 1112, 1241, 1428, 1533, 1668, 1752, 1946, 2044, 2363, 2482, 2856, 2919, 3066, 3336, 3723, 3892, 4088, 4726, 4964, 5838, 6132, 7089, 7446, 7784, 8687, 9452, 9928, 10147, 11676, 12264, 14178, 14892, 16541, 17374, 18904, 20294, 23352, 26061, 28356, 29784, 30441, 33082, 34748, 40588, 49623, 52122, 56712, 60882, 66164, 69496, 71029, 81176, 99246, 104244, 121764, 132328, 142058, 172499, 198492, 208488, 213087, 243528, 284116, 344998, 396984, 426174, 517497, 568232, 689996, 852348, 1034994, 1207493, 1379992, 1704696, 2069988, 2414986, 3622479, 4139976, 4829972, 7244958, 9659944, 14489916, 28979832]

約数ペア:

[(1, 28979832), (2, 14489916), (3, 9659944), (4, 7244958), (6, 4829972), (7, 4139976), (8, 3622479), (12, 2414986), (14, 2069988), (17, 1704696), (21, 1379992), (24, 1207493), (28, 1034994), (34, 852348), (42, 689996), (51, 568232), (56, 517497), (68, 426174), (73, 396984), (84, 344998), (102, 284116), (119, 243528), (136, 213087), (139, 208488), (146, 198492), (168, 172499), (204, 142058), (219, 132328), (238, 121764), (278, 104244), (292, 99246), (357, 81176), (408, 71029), (417, 69496), (438, 66164), (476, 60882), (511, 56712), (556, 52122), (584, 49623), (714, 40588), (834, 34748), (876, 33082), (952, 30441), (973, 29784), (1022, 28356), (1112, 26061), (1241, 23352), (1428, 20294), (1533, 18904), (1668, 17374), (1752, 16541), (1946, 14892), (2044, 14178), (2363, 12264), (2482, 11676), (2856, 10147), (2919, 9928), (3066, 9452), (3336, 8687), (3723, 7784), (3892, 7446), (4088, 7089), (4726, 6132), (4964, 5838)]