311399474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{919}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 507619200

約数和(自身を除く): 196219726

約数列:

[1, 2, 19, 37, 38, 74, 241, 482, 703, 919, 1406, 1838, 4579, 8917, 9158, 17461, 17834, 34003, 34922, 68006, 169423, 221479, 338846, 442958, 646057, 1292114, 4208101, 8194723, 8416202, 16389446, 155699737, 311399474]

約数ペア:

[(1, 311399474), (2, 155699737), (19, 16389446), (37, 8416202), (38, 8194723), (74, 4208101), (241, 1292114), (482, 646057), (703, 442958), (919, 338846), (1406, 221479), (1838, 169423), (4579, 68006), (8917, 34922), (9158, 34003), (17461, 17834)]