208972414

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{18181}}^1$

素因数の和:19011

約数の個数: 16

約数和(自身を含む): 358694496

約数和(自身を除く): 149722082

約数列:

[1, 2, 7, 14, 821, 1642, 5747, 11494, 18181, 36362, 127267, 254534, 14926601, 29853202, 104486207, 208972414]

約数ペア:

[(1, 208972414), (2, 104486207), (7, 29853202), (14, 14926601), (821, 254534), (1642, 127267), (5747, 36362), (11494, 18181)]