28808028

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 79968000

約数和(自身を除く): 51159972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 101, 108, 114, 139, 171, 202, 228, 278, 303, 342, 404, 417, 513, 556, 606, 684, 834, 909, 1026, 1212, 1251, 1668, 1818, 1919, 2052, 2502, 2641, 2727, 3636, 3753, 3838, 5004, 5282, 5454, 5757, 7506, 7676, 7923, 10564, 10908, 11514, 14039, 15012, 15846, 17271, 23028, 23769, 28078, 31692, 34542, 42117, 47538, 51813, 56156, 69084, 71307, 84234, 95076, 103626, 126351, 142614, 168468, 207252, 252702, 266741, 285228, 379053, 505404, 533482, 758106, 800223, 1066964, 1516212, 1600446, 2400669, 3200892, 4801338, 7202007, 9602676, 14404014, 28808028]

約数ペア:

[(1, 28808028), (2, 14404014), (3, 9602676), (4, 7202007), (6, 4801338), (9, 3200892), (12, 2400669), (18, 1600446), (19, 1516212), (27, 1066964), (36, 800223), (38, 758106), (54, 533482), (57, 505404), (76, 379053), (101, 285228), (108, 266741), (114, 252702), (139, 207252), (171, 168468), (202, 142614), (228, 126351), (278, 103626), (303, 95076), (342, 84234), (404, 71307), (417, 69084), (513, 56156), (556, 51813), (606, 47538), (684, 42117), (834, 34542), (909, 31692), (1026, 28078), (1212, 23769), (1251, 23028), (1668, 17271), (1818, 15846), (1919, 15012), (2052, 14039), (2502, 11514), (2641, 10908), (2727, 10564), (3636, 7923), (3753, 7676), (3838, 7506), (5004, 5757), (5282, 5454)]