256473003890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{195780919}}^1$

素因数の和:195781057

約数の個数: 16

約数和(自身を含む): 465175465920

約数和(自身を除く): 208702462030

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 195780919, 391561838, 978904595, 1957809190, 25647300389, 51294600778, 128236501945, 256473003890]

約数ペア:

[(1, 256473003890), (2, 128236501945), (5, 51294600778), (10, 25647300389), (131, 1957809190), (262, 978904595), (655, 391561838), (1310, 195780919)]