656319490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{22469}}^1$

素因数の和:22626

約数の個数: 32

約数和(自身を含む): 1242501120

約数和(自身を除く): 586181630

約数列:

[1, 2, 5, 10, 23, 46, 115, 127, 230, 254, 635, 1270, 2921, 5842, 14605, 22469, 29210, 44938, 112345, 224690, 516787, 1033574, 2583935, 2853563, 5167870, 5707126, 14267815, 28535630, 65631949, 131263898, 328159745, 656319490]

約数ペア:

[(1, 656319490), (2, 328159745), (5, 131263898), (10, 65631949), (23, 28535630), (46, 14267815), (115, 5707126), (127, 5167870), (230, 2853563), (254, 2583935), (635, 1033574), (1270, 516787), (2921, 224690), (5842, 112345), (14605, 44938), (22469, 29210)]