638857514

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{30269}}^1$

素因数の和:30505

約数の個数: 16

約数和(自身を含む): 979658280

約数和(自身を除く): 340800766

約数列:

[1, 2, 61, 122, 173, 346, 10553, 21106, 30269, 60538, 1846409, 3692818, 5236537, 10473074, 319428757, 638857514]

約数ペア:

[(1, 638857514), (2, 319428757), (61, 10473074), (122, 5236537), (173, 3692818), (346, 1846409), (10553, 60538), (21106, 30269)]