210945545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 268929024

約数和(自身を除く): 57983479

約数列:

[1, 5, 31, 73, 103, 155, 181, 365, 515, 905, 2263, 3193, 5611, 7519, 11315, 13213, 15965, 18643, 28055, 37595, 66065, 93215, 233089, 409603, 577933, 1165445, 1360939, 2048015, 2889665, 6804695, 42189109, 210945545]

約数ペア:

[(1, 210945545), (5, 42189109), (31, 6804695), (73, 2889665), (103, 2048015), (155, 1360939), (181, 1165445), (365, 577933), (515, 409603), (905, 233089), (2263, 93215), (3193, 66065), (5611, 37595), (7519, 28055), (11315, 18643), (13213, 15965)]