997142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 16

約数和(自身を含む): 1594080

約数和(自身を除く): 596938

約数列:

[1, 2, 23, 46, 53, 106, 409, 818, 1219, 2438, 9407, 18814, 21677, 43354, 498571, 997142]

約数ペア:

[(1, 997142), (2, 498571), (23, 43354), (46, 21677), (53, 18814), (106, 9407), (409, 2438), (818, 1219)]