640938232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{8807}}^1$

素因数の和:9651

約数の個数: 32

約数和(自身を含む): 1312744320

約数和(自身を除く): 671806088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 827, 1654, 3308, 6616, 8807, 9097, 17614, 18194, 35228, 36388, 70456, 72776, 96877, 193754, 387508, 775016, 7283389, 14566778, 29133556, 58267112, 80117279, 160234558, 320469116, 640938232]

約数ペア:

[(1, 640938232), (2, 320469116), (4, 160234558), (8, 80117279), (11, 58267112), (22, 29133556), (44, 14566778), (88, 7283389), (827, 775016), (1654, 387508), (3308, 193754), (6616, 96877), (8807, 72776), (9097, 70456), (17614, 36388), (18194, 35228)]