256170438

素因数分解:

$2^1\times 3^4\times {\mathrm{1581299}}^1$

素因数の和:1581313

約数の個数: 20

約数和(自身を含む): 574011900

約数和(自身を除く): 317841462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1581299, 3162598, 4743897, 9487794, 14231691, 28463382, 42695073, 85390146, 128085219, 256170438]

約数ペア:

[(1, 256170438), (2, 128085219), (3, 85390146), (6, 42695073), (9, 28463382), (18, 14231691), (27, 9487794), (54, 4743897), (81, 3162598), (162, 1581299)]