12805219

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1067

約数の個数: 16

約数和(自身を含む): 15352000

約数和(自身を除く): 2546781

約数列:

[1, 7, 37, 49, 259, 343, 1009, 1813, 7063, 12691, 37333, 49441, 261331, 346087, 1829317, 12805219]

約数ペア:

[(1, 12805219), (7, 1829317), (37, 346087), (49, 261331), (259, 49441), (343, 37333), (1009, 12691), (1813, 7063)]