129248144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{739}}^1$

素因数の和:1407

約数の個数: 40

約数和(自身を含む): 265920480

約数和(自身を除く): 136672336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 643, 739, 1286, 1478, 2572, 2956, 5144, 5912, 10288, 10931, 11824, 12563, 21862, 25126, 43724, 50252, 87448, 100504, 174896, 201008, 475177, 950354, 1900708, 3801416, 7602832, 8078009, 16156018, 32312036, 64624072, 129248144]

約数ペア:

[(1, 129248144), (2, 64624072), (4, 32312036), (8, 16156018), (16, 8078009), (17, 7602832), (34, 3801416), (68, 1900708), (136, 950354), (272, 475177), (643, 201008), (739, 174896), (1286, 100504), (1478, 87448), (2572, 50252), (2956, 43724), (5144, 25126), (5912, 21862), (10288, 12563), (10931, 11824)]