28629139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21871}}^1$

素因数の和:21906

約数の個数: 16

約数和(自身を含む): 37794816

約数和(自身を除く): 9165677

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 21871, 153097, 240581, 371807, 1684067, 2602649, 4089877, 28629139]

約数ペア:

[(1, 28629139), (7, 4089877), (11, 2602649), (17, 1684067), (77, 371807), (119, 240581), (187, 153097), (1309, 21871)]