257003662

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{19963}}^1$

素因数の和:20163

約数の個数: 16

約数和(自身を含む): 397443312

約数和(自身を除く): 140439650

約数列:

[1, 2, 41, 82, 157, 314, 6437, 12874, 19963, 39926, 818483, 1636966, 3134191, 6268382, 128501831, 257003662]

約数ペア:

[(1, 257003662), (2, 128501831), (41, 6268382), (82, 3134191), (157, 1636966), (314, 818483), (6437, 39926), (12874, 19963)]