198823681

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 244707840

約数和(自身を除く): 45884159

約数列:

[1, 7, 29, 37, 103, 203, 257, 259, 721, 1073, 1799, 2987, 3811, 7453, 7511, 9509, 20909, 26471, 26677, 52171, 66563, 110519, 185297, 275761, 767659, 773633, 979427, 1930327, 5373613, 6855989, 28403383, 198823681]

約数ペア:

[(1, 198823681), (7, 28403383), (29, 6855989), (37, 5373613), (103, 1930327), (203, 979427), (257, 773633), (259, 767659), (721, 275761), (1073, 185297), (1799, 110519), (2987, 66563), (3811, 52171), (7453, 26677), (7511, 26471), (9509, 20909)]