28646772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 87639552

約数和(自身を除く): 58992780

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 43, 44, 49, 66, 77, 84, 86, 98, 103, 129, 132, 147, 154, 172, 196, 206, 231, 258, 294, 301, 308, 309, 412, 462, 473, 516, 539, 588, 602, 618, 721, 903, 924, 946, 1078, 1133, 1204, 1236, 1419, 1442, 1617, 1806, 1892, 2107, 2156, 2163, 2266, 2838, 2884, 3234, 3311, 3399, 3612, 4214, 4326, 4429, 4532, 5047, 5676, 6321, 6468, 6622, 6798, 7931, 8428, 8652, 8858, 9933, 10094, 12642, 13244, 13287, 13596, 15141, 15862, 17716, 19866, 20188, 23177, 23793, 25284, 26574, 30282, 31003, 31724, 39732, 46354, 47586, 48719, 53148, 55517, 60564, 62006, 69531, 92708, 93009, 95172, 97438, 111034, 124012, 139062, 146157, 166551, 186018, 194876, 217021, 222068, 278124, 292314, 333102, 341033, 372036, 434042, 584628, 651063, 666204, 682066, 868084, 1023099, 1302126, 1364132, 2046198, 2387231, 2604252, 4092396, 4774462, 7161693, 9548924, 14323386, 28646772]

約数ペア:

[(1, 28646772), (2, 14323386), (3, 9548924), (4, 7161693), (6, 4774462), (7, 4092396), (11, 2604252), (12, 2387231), (14, 2046198), (21, 1364132), (22, 1302126), (28, 1023099), (33, 868084), (42, 682066), (43, 666204), (44, 651063), (49, 584628), (66, 434042), (77, 372036), (84, 341033), (86, 333102), (98, 292314), (103, 278124), (129, 222068), (132, 217021), (147, 194876), (154, 186018), (172, 166551), (196, 146157), (206, 139062), (231, 124012), (258, 111034), (294, 97438), (301, 95172), (308, 93009), (309, 92708), (412, 69531), (462, 62006), (473, 60564), (516, 55517), (539, 53148), (588, 48719), (602, 47586), (618, 46354), (721, 39732), (903, 31724), (924, 31003), (946, 30282), (1078, 26574), (1133, 25284), (1204, 23793), (1236, 23177), (1419, 20188), (1442, 19866), (1617, 17716), (1806, 15862), (1892, 15141), (2107, 13596), (2156, 13287), (2163, 13244), (2266, 12642), (2838, 10094), (2884, 9933), (3234, 8858), (3311, 8652), (3399, 8428), (3612, 7931), (4214, 6798), (4326, 6622), (4429, 6468), (4532, 6321), (5047, 5676)]