131281956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 392137200

約数和(自身を除く): 260855244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 29, 34, 36, 39, 51, 52, 58, 68, 78, 87, 102, 116, 117, 153, 156, 174, 204, 221, 234, 261, 306, 348, 377, 442, 468, 493, 522, 569, 612, 663, 754, 884, 986, 1044, 1131, 1138, 1326, 1479, 1508, 1707, 1972, 1989, 2262, 2276, 2652, 2958, 3393, 3414, 3978, 4437, 4524, 5121, 5916, 6409, 6786, 6828, 7397, 7956, 8874, 9673, 10242, 12818, 13572, 14794, 16501, 17748, 19227, 19346, 20484, 22191, 25636, 29019, 29588, 33002, 38454, 38692, 44382, 49503, 57681, 58038, 66004, 66573, 76908, 87057, 88764, 99006, 115362, 116076, 125749, 133146, 148509, 174114, 198012, 214513, 230724, 251498, 266292, 280517, 297018, 348228, 377247, 429026, 502996, 561034, 594036, 643539, 754494, 841551, 858052, 1122068, 1131741, 1287078, 1508988, 1683102, 1930617, 2263482, 2524653, 2574156, 3366204, 3646721, 3861234, 4526964, 5049306, 7293442, 7722468, 10098612, 10940163, 14586884, 21880326, 32820489, 43760652, 65640978, 131281956]

約数ペア:

[(1, 131281956), (2, 65640978), (3, 43760652), (4, 32820489), (6, 21880326), (9, 14586884), (12, 10940163), (13, 10098612), (17, 7722468), (18, 7293442), (26, 5049306), (29, 4526964), (34, 3861234), (36, 3646721), (39, 3366204), (51, 2574156), (52, 2524653), (58, 2263482), (68, 1930617), (78, 1683102), (87, 1508988), (102, 1287078), (116, 1131741), (117, 1122068), (153, 858052), (156, 841551), (174, 754494), (204, 643539), (221, 594036), (234, 561034), (261, 502996), (306, 429026), (348, 377247), (377, 348228), (442, 297018), (468, 280517), (493, 266292), (522, 251498), (569, 230724), (612, 214513), (663, 198012), (754, 174114), (884, 148509), (986, 133146), (1044, 125749), (1131, 116076), (1138, 115362), (1326, 99006), (1479, 88764), (1508, 87057), (1707, 76908), (1972, 66573), (1989, 66004), (2262, 58038), (2276, 57681), (2652, 49503), (2958, 44382), (3393, 38692), (3414, 38454), (3978, 33002), (4437, 29588), (4524, 29019), (5121, 25636), (5916, 22191), (6409, 20484), (6786, 19346), (6828, 19227), (7397, 17748), (7956, 16501), (8874, 14794), (9673, 13572), (10242, 12818)]