1213771856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{16001}}^1$

素因数の和:16451

約数の個数: 40

約数和(自身を含む): 2571585408

約数和(自身を除く): 1357813552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 431, 862, 1724, 3448, 4741, 6896, 9482, 16001, 18964, 32002, 37928, 64004, 75856, 128008, 176011, 256016, 352022, 704044, 1408088, 2816176, 6896431, 13792862, 27585724, 55171448, 75860741, 110342896, 151721482, 303442964, 606885928, 1213771856]

約数ペア:

[(1, 1213771856), (2, 606885928), (4, 303442964), (8, 151721482), (11, 110342896), (16, 75860741), (22, 55171448), (44, 27585724), (88, 13792862), (176, 6896431), (431, 2816176), (862, 1408088), (1724, 704044), (3448, 352022), (4741, 256016), (6896, 176011), (9482, 128008), (16001, 75856), (18964, 64004), (32002, 37928)]