9780495538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{643369}}^1$

素因数の和:644073

約数の個数: 16

約数和(自身を含む): 16027633440

約数和(自身を除く): 6247137902

約数列:

[1, 2, 11, 22, 691, 1382, 7601, 15202, 643369, 1286738, 7077059, 14154118, 444567979, 889135958, 4890247769, 9780495538]

約数ペア:

[(1, 9780495538), (2, 4890247769), (11, 889135958), (22, 444567979), (691, 14154118), (1382, 7077059), (7601, 1286738), (15202, 643369)]