257807314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{144349}}^1$

素因数の和:144417

約数の個数: 16

約数和(自身を含む): 415728000

約数和(自身を除く): 157920686

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 144349, 288698, 2742631, 5485262, 6784403, 13568806, 128903657, 257807314]

約数ペア:

[(1, 257807314), (2, 128903657), (19, 13568806), (38, 6784403), (47, 5485262), (94, 2742631), (893, 288698), (1786, 144349)]