217420783808

素因数分解:

$2^6\times {\mathrm{347}}^1\times {\mathrm{9790201}}^1$

素因数の和:9790560

約数の個数: 28

約数和(自身を含む): 432687767592

約数和(自身を除く): 215266983784

約数列:

[1, 2, 4, 8, 16, 32, 64, 347, 694, 1388, 2776, 5552, 11104, 22208, 9790201, 19580402, 39160804, 78321608, 156643216, 313286432, 626572864, 3397199747, 6794399494, 13588798988, 27177597976, 54355195952, 108710391904, 217420783808]

約数ペア:

[(1, 217420783808), (2, 108710391904), (4, 54355195952), (8, 27177597976), (16, 13588798988), (32, 6794399494), (64, 3397199747), (347, 626572864), (694, 313286432), (1388, 156643216), (2776, 78321608), (5552, 39160804), (11104, 19580402), (22208, 9790201)]