215954170

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2903}}^1$

素因数の和:3126

約数の個数: 32

約数和(自身を含む): 400194432

約数和(自身を除く): 184240262

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 346, 430, 865, 1730, 2903, 5806, 7439, 14515, 14878, 29030, 37195, 74390, 124829, 249658, 502219, 624145, 1004438, 1248290, 2511095, 5022190, 21595417, 43190834, 107977085, 215954170]

約数ペア:

[(1, 215954170), (2, 107977085), (5, 43190834), (10, 21595417), (43, 5022190), (86, 2511095), (173, 1248290), (215, 1004438), (346, 624145), (430, 502219), (865, 249658), (1730, 124829), (2903, 74390), (5806, 37195), (7439, 29030), (14515, 14878)]