31975402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21871}}^1$

素因数の和:21933

約数の個数: 16

約数和(自身を含む): 51967872

約数和(自身を除く): 19992470

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 21871, 43742, 371807, 743614, 940453, 1880906, 15987701, 31975402]

約数ペア:

[(1, 31975402), (2, 15987701), (17, 1880906), (34, 940453), (43, 743614), (86, 371807), (731, 43742), (1462, 21871)]