687702970

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 1247168016

約数和(自身を除く): 559465046

約数列:

[1, 2, 5, 10, 317, 401, 541, 634, 802, 1082, 1585, 2005, 2705, 3170, 4010, 5410, 127117, 171497, 216941, 254234, 342994, 433882, 635585, 857485, 1084705, 1271170, 1714970, 2169410, 68770297, 137540594, 343851485, 687702970]

約数ペア:

[(1, 687702970), (2, 343851485), (5, 137540594), (10, 68770297), (317, 2169410), (401, 1714970), (541, 1271170), (634, 1084705), (802, 857485), (1082, 635585), (1585, 433882), (2005, 342994), (2705, 254234), (3170, 216941), (4010, 171497), (5410, 127117)]