1321204208

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{197077}}^1$

素因数の和:197504

約数の個数: 20

約数和(自身を含む): 2565955560

約数和(自身を除く): 1244751352

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 197077, 394154, 788308, 1576616, 3153232, 82575263, 165150526, 330301052, 660602104, 1321204208]

約数ペア:

[(1, 1321204208), (2, 660602104), (4, 330301052), (8, 165150526), (16, 82575263), (419, 3153232), (838, 1576616), (1676, 788308), (3352, 394154), (6704, 197077)]