12779780176

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{1991861}}^1$

素因数の和:1992270

約数の個数: 20

約数和(自身を含む): 24822584244

約数和(自身を除く): 12042804068

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 1991861, 3983722, 7967444, 15934888, 31869776, 798736261, 1597472522, 3194945044, 6389890088, 12779780176]

約数ペア:

[(1, 12779780176), (2, 6389890088), (4, 3194945044), (8, 1597472522), (16, 798736261), (401, 31869776), (802, 15934888), (1604, 7967444), (3208, 3983722), (6416, 1991861)]