78671668

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{787}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 140282912

約数和(自身を除く): 61611244

約数列:

[1, 2, 4, 67, 134, 268, 373, 746, 787, 1492, 1574, 3148, 24991, 49982, 52729, 99964, 105458, 210916, 293551, 587102, 1174204, 19667917, 39335834, 78671668]

約数ペア:

[(1, 78671668), (2, 39335834), (4, 19667917), (67, 1174204), (134, 587102), (268, 293551), (373, 210916), (746, 105458), (787, 99964), (1492, 52729), (1574, 49982), (3148, 24991)]