203804975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2239}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 276648960

約数和(自身を除く): 72843985

約数列:

[1, 5, 11, 25, 55, 275, 331, 1655, 2239, 3641, 8275, 11195, 18205, 24629, 55975, 91025, 123145, 615725, 741109, 3705545, 8152199, 18527725, 40760995, 203804975]

約数ペア:

[(1, 203804975), (5, 40760995), (11, 18527725), (25, 8152199), (55, 3705545), (275, 741109), (331, 615725), (1655, 123145), (2239, 91025), (3641, 55975), (8275, 24629), (11195, 18205)]