2198456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{21139}}^1$

素因数の和:21158

約数の個数: 16

約数和(自身を含む): 4439400

約数和(自身を除く): 2240944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 21139, 42278, 84556, 169112, 274807, 549614, 1099228, 2198456]

約数ペア:

[(1, 2198456), (2, 1099228), (4, 549614), (8, 274807), (13, 169112), (26, 84556), (52, 42278), (104, 21139)]