217469725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41621}}^1$

素因数の和:41661

約数の個数: 24

約数和(自身を含む): 309667680

約数和(自身を除く): 92197955

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 41621, 208105, 457831, 790799, 1040525, 2289155, 3953995, 8698789, 11445775, 19769975, 43493945, 217469725]

約数ペア:

[(1, 217469725), (5, 43493945), (11, 19769975), (19, 11445775), (25, 8698789), (55, 3953995), (95, 2289155), (209, 1040525), (275, 790799), (475, 457831), (1045, 208105), (5225, 41621)]