66412816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{78317}}^1$

素因数の和:78378

約数の個数: 20

約数和(自身を含む): 131104332

約数和(自身を除く): 64691516

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 78317, 156634, 313268, 626536, 1253072, 4150801, 8301602, 16603204, 33206408, 66412816]

約数ペア:

[(1, 66412816), (2, 33206408), (4, 16603204), (8, 8301602), (16, 4150801), (53, 1253072), (106, 626536), (212, 313268), (424, 156634), (848, 78317)]