128861784

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{18451}}^1$

素因数の和:18560

約数の個数: 48

約数和(自身を含む): 352617720

約数和(自身を除く): 223755936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 3492, 6984, 18451, 36902, 55353, 73804, 110706, 147608, 166059, 221412, 332118, 442824, 664236, 1328472, 1789747, 3579494, 5369241, 7158988, 10738482, 14317976, 16107723, 21476964, 32215446, 42953928, 64430892, 128861784]

約数ペア:

[(1, 128861784), (2, 64430892), (3, 42953928), (4, 32215446), (6, 21476964), (8, 16107723), (9, 14317976), (12, 10738482), (18, 7158988), (24, 5369241), (36, 3579494), (72, 1789747), (97, 1328472), (194, 664236), (291, 442824), (388, 332118), (582, 221412), (776, 166059), (873, 147608), (1164, 110706), (1746, 73804), (2328, 55353), (3492, 36902), (6984, 18451)]