51489985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1151}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 64696320

約数和(自身を除く): 13206335

約数列:

[1, 5, 23, 115, 389, 1151, 1945, 5755, 8947, 26473, 44735, 132365, 447739, 2238695, 10297997, 51489985]

約数ペア:

[(1, 51489985), (5, 10297997), (23, 2238695), (115, 447739), (389, 132365), (1151, 44735), (1945, 26473), (5755, 8947)]