55815739

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 64880640

約数和(自身を除く): 9064901

約数列:

[1, 7, 109, 191, 383, 763, 1337, 2681, 20819, 41747, 73153, 145733, 292229, 512071, 7973677, 55815739]

約数ペア:

[(1, 55815739), (7, 7973677), (109, 512071), (191, 292229), (383, 145733), (763, 73153), (1337, 41747), (2681, 20819)]