217945838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{430723}}^1$

素因数の和:430759

約数の個数: 16

約数和(自身を含む): 372145536

約数和(自身を除く): 154199698

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 430723, 861446, 4737953, 9475906, 9906629, 19813258, 108972919, 217945838]

約数ペア:

[(1, 217945838), (2, 108972919), (11, 19813258), (22, 9906629), (23, 9475906), (46, 4737953), (253, 861446), (506, 430723)]