81784014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 102075186

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 149, 186, 227, 298, 403, 447, 454, 681, 806, 894, 1209, 1362, 1937, 2418, 2951, 3874, 4619, 5811, 5902, 7037, 8853, 9238, 11622, 13857, 14074, 17706, 21111, 27714, 33823, 42222, 60047, 67646, 91481, 101469, 120094, 180141, 182962, 202938, 274443, 360282, 439699, 548886, 879398, 1048513, 1319097, 2097026, 2638194, 3145539, 6291078, 13630669, 27261338, 40892007, 81784014]

約数ペア:

[(1, 81784014), (2, 40892007), (3, 27261338), (6, 13630669), (13, 6291078), (26, 3145539), (31, 2638194), (39, 2097026), (62, 1319097), (78, 1048513), (93, 879398), (149, 548886), (186, 439699), (227, 360282), (298, 274443), (403, 202938), (447, 182962), (454, 180141), (681, 120094), (806, 101469), (894, 91481), (1209, 67646), (1362, 60047), (1937, 42222), (2418, 33823), (2951, 27714), (3874, 21111), (4619, 17706), (5811, 14074), (5902, 13857), (7037, 11622), (8853, 9238)]