66406544

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{12539}}^1$

素因数の和:12878

約数の個数: 20

約数和(自身を含む): 129061680

約数和(自身を除く): 62655136

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 12539, 25078, 50156, 100312, 200624, 4150409, 8300818, 16601636, 33203272, 66406544]

約数ペア:

[(1, 66406544), (2, 33203272), (4, 16601636), (8, 8300818), (16, 4150409), (331, 200624), (662, 100312), (1324, 50156), (2648, 25078), (5296, 12539)]