281809216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17827}}^1$

素因数の和:17871

約数の個数: 56

約数和(自身を含む): 633963680

約数和(自身を除く): 352154464

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 17827, 35654, 71308, 142616, 231751, 285232, 338713, 463502, 570464, 677426, 927004, 1140928, 1354852, 1854008, 2709704, 3708016, 4403269, 5419408, 7416032, 8806538, 10838816, 14832064, 17613076, 21677632, 35226152, 70452304, 140904608, 281809216]

約数ペア:

[(1, 281809216), (2, 140904608), (4, 70452304), (8, 35226152), (13, 21677632), (16, 17613076), (19, 14832064), (26, 10838816), (32, 8806538), (38, 7416032), (52, 5419408), (64, 4403269), (76, 3708016), (104, 2709704), (152, 1854008), (208, 1354852), (247, 1140928), (304, 927004), (416, 677426), (494, 570464), (608, 463502), (832, 338713), (988, 285232), (1216, 231751), (1976, 142616), (3952, 71308), (7904, 35654), (15808, 17827)]