205341656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{27809}}^1$

素因数の和:27899

約数の個数: 32

約数和(自身を含む): 420487200

約数和(自身を除く): 215145544

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 27809, 55618, 111236, 222472, 361517, 723034, 1446068, 1974439, 2892136, 3948878, 7897756, 15795512, 25667707, 51335414, 102670828, 205341656]

約数ペア:

[(1, 205341656), (2, 102670828), (4, 51335414), (8, 25667707), (13, 15795512), (26, 7897756), (52, 3948878), (71, 2892136), (104, 1974439), (142, 1446068), (284, 723034), (568, 361517), (923, 222472), (1846, 111236), (3692, 55618), (7384, 27809)]