28863527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 9574873

約数列:

[1, 7, 11, 19, 77, 109, 133, 181, 209, 763, 1199, 1267, 1463, 1991, 2071, 3439, 8393, 13937, 14497, 19729, 22781, 24073, 37829, 138103, 159467, 217019, 264803, 374851, 1519133, 2623957, 4123361, 28863527]

約数ペア:

[(1, 28863527), (7, 4123361), (11, 2623957), (19, 1519133), (77, 374851), (109, 264803), (133, 217019), (181, 159467), (209, 138103), (763, 37829), (1199, 24073), (1267, 22781), (1463, 19729), (1991, 14497), (2071, 13937), (3439, 8393)]