81216128

素因数分解:

$2^7\times 7^2\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 196745760

約数和(自身を除く): 115529632

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 322, 368, 392, 448, 563, 644, 736, 784, 896, 1126, 1127, 1288, 1472, 1568, 2252, 2254, 2576, 2944, 3136, 3941, 4504, 4508, 5152, 6272, 7882, 9008, 9016, 10304, 12949, 15764, 18016, 18032, 20608, 25898, 27587, 31528, 36032, 36064, 51796, 55174, 63056, 72064, 72128, 90643, 103592, 110348, 126112, 144256, 181286, 207184, 220696, 252224, 362572, 414368, 441392, 504448, 634501, 725144, 828736, 882784, 1269002, 1450288, 1657472, 1765568, 2538004, 2900576, 3531136, 5076008, 5801152, 10152016, 11602304, 20304032, 40608064, 81216128]

約数ペア:

[(1, 81216128), (2, 40608064), (4, 20304032), (7, 11602304), (8, 10152016), (14, 5801152), (16, 5076008), (23, 3531136), (28, 2900576), (32, 2538004), (46, 1765568), (49, 1657472), (56, 1450288), (64, 1269002), (92, 882784), (98, 828736), (112, 725144), (128, 634501), (161, 504448), (184, 441392), (196, 414368), (224, 362572), (322, 252224), (368, 220696), (392, 207184), (448, 181286), (563, 144256), (644, 126112), (736, 110348), (784, 103592), (896, 90643), (1126, 72128), (1127, 72064), (1288, 63056), (1472, 55174), (1568, 51796), (2252, 36064), (2254, 36032), (2576, 31528), (2944, 27587), (3136, 25898), (3941, 20608), (4504, 18032), (4508, 18016), (5152, 15764), (6272, 12949), (7882, 10304), (9008, 9016)]