1372217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 1741824

約数和(自身を除く): 369607

約数列:

[1, 7, 11, 71, 77, 251, 497, 781, 1757, 2761, 5467, 17821, 19327, 124747, 196031, 1372217]

約数ペア:

[(1, 1372217), (7, 196031), (11, 124747), (71, 19327), (77, 17821), (251, 5467), (497, 2761), (781, 1757)]