278317808

素因数分解:

$2^4\times {\mathrm{1307}}^1\times {\mathrm{13309}}^1$

素因数の和:14624

約数の個数: 20

約数和(自身を含む): 539693880

約数和(自身を除く): 261376072

約数列:

[1, 2, 4, 8, 16, 1307, 2614, 5228, 10456, 13309, 20912, 26618, 53236, 106472, 212944, 17394863, 34789726, 69579452, 139158904, 278317808]

約数ペア:

[(1, 278317808), (2, 139158904), (4, 69579452), (8, 34789726), (16, 17394863), (1307, 212944), (2614, 106472), (5228, 53236), (10456, 26618), (13309, 20912)]