31000336

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 30870704

約数列:

[1, 2, 4, 8, 16, 53, 106, 139, 212, 263, 278, 424, 526, 556, 848, 1052, 1112, 2104, 2224, 4208, 7367, 13939, 14734, 27878, 29468, 36557, 55756, 58936, 73114, 111512, 117872, 146228, 223024, 292456, 584912, 1937521, 3875042, 7750084, 15500168, 31000336]

約数ペア:

[(1, 31000336), (2, 15500168), (4, 7750084), (8, 3875042), (16, 1937521), (53, 584912), (106, 292456), (139, 223024), (212, 146228), (263, 117872), (278, 111512), (424, 73114), (526, 58936), (556, 55756), (848, 36557), (1052, 29468), (1112, 27878), (2104, 14734), (2224, 13939), (4208, 7367)]