67131376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{322747}}^1$

素因数の和:322768

約数の個数: 20

約数和(自身を含む): 140072632

約数和(自身を除く): 72941256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 322747, 645494, 1290988, 2581976, 4195711, 5163952, 8391422, 16782844, 33565688, 67131376]

約数ペア:

[(1, 67131376), (2, 33565688), (4, 16782844), (8, 8391422), (13, 5163952), (16, 4195711), (26, 2581976), (52, 1290988), (104, 645494), (208, 322747)]