78707916

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 241315200

約数和(自身を除く): 162607284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 107, 108, 126, 139, 147, 189, 196, 214, 252, 278, 294, 321, 378, 417, 428, 441, 556, 588, 642, 749, 756, 834, 882, 963, 973, 1251, 1284, 1323, 1498, 1668, 1764, 1926, 1946, 2247, 2502, 2646, 2889, 2919, 2996, 3753, 3852, 3892, 4494, 5004, 5243, 5292, 5778, 5838, 6741, 6811, 7506, 8757, 8988, 10486, 11556, 11676, 13482, 13622, 14873, 15012, 15729, 17514, 20223, 20433, 20972, 26271, 26964, 27244, 29746, 31458, 35028, 40446, 40866, 44619, 47187, 52542, 59492, 61299, 62916, 80892, 81732, 89238, 94374, 104111, 105084, 122598, 133857, 141561, 178476, 183897, 188748, 208222, 245196, 267714, 283122, 312333, 367794, 401571, 416444, 535428, 566244, 624666, 728777, 735588, 803142, 936999, 1249332, 1457554, 1606284, 1873998, 2186331, 2810997, 2915108, 3747996, 4372662, 5621994, 6558993, 8745324, 11243988, 13117986, 19676979, 26235972, 39353958, 78707916]

約数ペア:

[(1, 78707916), (2, 39353958), (3, 26235972), (4, 19676979), (6, 13117986), (7, 11243988), (9, 8745324), (12, 6558993), (14, 5621994), (18, 4372662), (21, 3747996), (27, 2915108), (28, 2810997), (36, 2186331), (42, 1873998), (49, 1606284), (54, 1457554), (63, 1249332), (84, 936999), (98, 803142), (107, 735588), (108, 728777), (126, 624666), (139, 566244), (147, 535428), (189, 416444), (196, 401571), (214, 367794), (252, 312333), (278, 283122), (294, 267714), (321, 245196), (378, 208222), (417, 188748), (428, 183897), (441, 178476), (556, 141561), (588, 133857), (642, 122598), (749, 105084), (756, 104111), (834, 94374), (882, 89238), (963, 81732), (973, 80892), (1251, 62916), (1284, 61299), (1323, 59492), (1498, 52542), (1668, 47187), (1764, 44619), (1926, 40866), (1946, 40446), (2247, 35028), (2502, 31458), (2646, 29746), (2889, 27244), (2919, 26964), (2996, 26271), (3753, 20972), (3852, 20433), (3892, 20223), (4494, 17514), (5004, 15729), (5243, 15012), (5292, 14873), (5778, 13622), (5838, 13482), (6741, 11676), (6811, 11556), (7506, 10486), (8757, 8988)]