128816856

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{255589}}^1$

素因数の和:255608

約数の個数: 48

約数和(自身を含む): 398720400

約数和(自身を除く): 269903544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 255589, 511178, 766767, 1022356, 1533534, 1789123, 2044712, 2300301, 3067068, 3578246, 4600602, 5367369, 6134136, 7156492, 9201204, 10734738, 14312984, 16102107, 18402408, 21469476, 32204214, 42938952, 64408428, 128816856]

約数ペア:

[(1, 128816856), (2, 64408428), (3, 42938952), (4, 32204214), (6, 21469476), (7, 18402408), (8, 16102107), (9, 14312984), (12, 10734738), (14, 9201204), (18, 7156492), (21, 6134136), (24, 5367369), (28, 4600602), (36, 3578246), (42, 3067068), (56, 2300301), (63, 2044712), (72, 1789123), (84, 1533534), (126, 1022356), (168, 766767), (252, 511178), (504, 255589)]