1278693530

素因数分解:

$2^1\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{57781}}^1$

素因数の和:60001

約数の個数: 16

約数和(自身を含む): 2302728264

約数和(自身を除く): 1024034734

約数列:

[1, 2, 5, 10, 2213, 4426, 11065, 22130, 57781, 115562, 288905, 577810, 127869353, 255738706, 639346765, 1278693530]

約数ペア:

[(1, 1278693530), (2, 639346765), (5, 255738706), (10, 127869353), (2213, 577810), (4426, 288905), (11065, 115562), (22130, 57781)]