209568385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{169691}}^1$

素因数の和:169728

約数の個数: 16

約数和(自身を含む): 285082560

約数和(自身を除く): 75514175

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 169691, 848455, 2205983, 3224129, 11029915, 16120645, 41913677, 209568385]

約数ペア:

[(1, 209568385), (5, 41913677), (13, 16120645), (19, 11029915), (65, 3224129), (95, 2205983), (247, 848455), (1235, 169691)]