218216065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{859}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 279506880

約数和(自身を除く): 61290815

約数列:

[1, 5, 23, 47, 115, 235, 859, 1081, 2209, 4295, 5405, 11045, 19757, 40373, 50807, 98785, 201865, 254035, 928579, 1897531, 4642895, 9487655, 43643213, 218216065]

約数ペア:

[(1, 218216065), (5, 43643213), (23, 9487655), (47, 4642895), (115, 1897531), (235, 928579), (859, 254035), (1081, 201865), (2209, 98785), (4295, 50807), (5405, 40373), (11045, 19757)]