65781136

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{61363}}^1$

素因数の和:61438

約数の個数: 20

約数和(自身を含む): 129355312

約数和(自身を除く): 63574176

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 61363, 122726, 245452, 490904, 981808, 4111321, 8222642, 16445284, 32890568, 65781136]

約数ペア:

[(1, 65781136), (2, 32890568), (4, 16445284), (8, 8222642), (16, 4111321), (67, 981808), (134, 490904), (268, 245452), (536, 122726), (1072, 61363)]