289997188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179899}}^1$

素因数の和:179947

約数の個数: 24

約数和(自身を含む): 564166400

約数和(自身を除く): 274169212

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 179899, 359798, 719596, 2338687, 4677374, 5576869, 9354748, 11153738, 22307476, 72499297, 144998594, 289997188]

約数ペア:

[(1, 289997188), (2, 144998594), (4, 72499297), (13, 22307476), (26, 11153738), (31, 9354748), (52, 5576869), (62, 4677374), (124, 2338687), (403, 719596), (806, 359798), (1612, 179899)]