128412726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2381

約数の個数: 64

約数和(自身を含む): 298045440

約数和(自身を除く): 169632714

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 598, 713, 806, 897, 1209, 1426, 1794, 2139, 2309, 2418, 4278, 4618, 6927, 9269, 13854, 18538, 27807, 30017, 53107, 55614, 60034, 71579, 90051, 106214, 143158, 159321, 180102, 214737, 318642, 429474, 690391, 930527, 1380782, 1646317, 1861054, 2071173, 2791581, 3292634, 4142346, 4938951, 5583162, 9877902, 21402121, 42804242, 64206363, 128412726]

約数ペア:

[(1, 128412726), (2, 64206363), (3, 42804242), (6, 21402121), (13, 9877902), (23, 5583162), (26, 4938951), (31, 4142346), (39, 3292634), (46, 2791581), (62, 2071173), (69, 1861054), (78, 1646317), (93, 1380782), (138, 930527), (186, 690391), (299, 429474), (403, 318642), (598, 214737), (713, 180102), (806, 159321), (897, 143158), (1209, 106214), (1426, 90051), (1794, 71579), (2139, 60034), (2309, 55614), (2418, 53107), (4278, 30017), (4618, 27807), (6927, 18538), (9269, 13854)]