215289982

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{45439}}^1$

素因数の和:45567

約数の個数: 16

約数和(自身を含む): 340254720

約数和(自身を除く): 124964738

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4738, 45439, 90878, 1045097, 2090194, 4680217, 9360434, 107644991, 215289982]

約数ペア:

[(1, 215289982), (2, 107644991), (23, 9360434), (46, 4680217), (103, 2090194), (206, 1045097), (2369, 90878), (4738, 45439)]