1277252210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{265541}}^1$

素因数の和:265598

約数の個数: 32

約数和(自身を含む): 2542830192

約数和(自身を除く): 1265577982

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 265541, 531082, 1327705, 2655410, 3452033, 6904066, 9825017, 17260165, 19650034, 34520330, 49125085, 98250170, 127725221, 255450442, 638626105, 1277252210]

約数ペア:

[(1, 1277252210), (2, 638626105), (5, 255450442), (10, 127725221), (13, 98250170), (26, 49125085), (37, 34520330), (65, 19650034), (74, 17260165), (130, 9825017), (185, 6904066), (370, 3452033), (481, 2655410), (962, 1327705), (2405, 531082), (4810, 265541)]