214908988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{247591}}^1$

素因数の和:247633

約数の個数: 24

約数和(自身を含む): 443684864

約数和(自身を除く): 228775876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 247591, 495182, 990364, 1733137, 3466274, 6932548, 7675321, 15350642, 30701284, 53727247, 107454494, 214908988]

約数ペア:

[(1, 214908988), (2, 107454494), (4, 53727247), (7, 30701284), (14, 15350642), (28, 7675321), (31, 6932548), (62, 3466274), (124, 1733137), (217, 990364), (434, 495182), (868, 247591)]