128538116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 284497920

約数和(自身を除く): 155959804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 71, 76, 82, 83, 133, 142, 164, 166, 266, 284, 287, 332, 497, 532, 574, 581, 779, 994, 1148, 1162, 1349, 1558, 1577, 1988, 2324, 2698, 2911, 3116, 3154, 3403, 5396, 5453, 5822, 5893, 6308, 6806, 9443, 10906, 11039, 11644, 11786, 13612, 18886, 20377, 21812, 22078, 23572, 23821, 37772, 40754, 41251, 44156, 47642, 55309, 64657, 81508, 82502, 95284, 110618, 111967, 129314, 165004, 221236, 223934, 241613, 258628, 387163, 447868, 452599, 483226, 774326, 783769, 905198, 966452, 1548652, 1567538, 1691291, 1810396, 3135076, 3382582, 4590647, 6765164, 9181294, 18362588, 32134529, 64269058, 128538116]

約数ペア:

[(1, 128538116), (2, 64269058), (4, 32134529), (7, 18362588), (14, 9181294), (19, 6765164), (28, 4590647), (38, 3382582), (41, 3135076), (71, 1810396), (76, 1691291), (82, 1567538), (83, 1548652), (133, 966452), (142, 905198), (164, 783769), (166, 774326), (266, 483226), (284, 452599), (287, 447868), (332, 387163), (497, 258628), (532, 241613), (574, 223934), (581, 221236), (779, 165004), (994, 129314), (1148, 111967), (1162, 110618), (1349, 95284), (1558, 82502), (1577, 81508), (1988, 64657), (2324, 55309), (2698, 47642), (2911, 44156), (3116, 41251), (3154, 40754), (3403, 37772), (5396, 23821), (5453, 23572), (5822, 22078), (5893, 21812), (6308, 20377), (6806, 18886), (9443, 13612), (10906, 11786), (11039, 11644)]