257888967

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{423463}}^1$

素因数の和:423502

約数の個数: 16

約数和(自身を含む): 406525440

約数和(自身を除く): 148636473

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 423463, 1270389, 2964241, 8892723, 12280427, 36841281, 85962989, 257888967]

約数ペア:

[(1, 257888967), (3, 85962989), (7, 36841281), (21, 12280427), (29, 8892723), (87, 2964241), (203, 1270389), (609, 423463)]