210018728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{2551}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 405155520

約数和(自身を除く): 195136792

約数列:

[1, 2, 4, 8, 41, 82, 164, 251, 328, 502, 1004, 2008, 2551, 5102, 10204, 10291, 20408, 20582, 41164, 82328, 104591, 209182, 418364, 640301, 836728, 1280602, 2561204, 5122408, 26252341, 52504682, 105009364, 210018728]

約数ペア:

[(1, 210018728), (2, 105009364), (4, 52504682), (8, 26252341), (41, 5122408), (82, 2561204), (164, 1280602), (251, 836728), (328, 640301), (502, 418364), (1004, 209182), (2008, 104591), (2551, 82328), (5102, 41164), (10204, 20582), (10291, 20408)]