15980239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 18434304

約数和(自身を除く): 2454065

約数列:

[1, 11, 23, 83, 253, 761, 913, 1909, 8371, 17503, 20999, 63163, 192533, 694793, 1452749, 15980239]

約数ペア:

[(1, 15980239), (11, 1452749), (23, 694793), (83, 192533), (253, 63163), (761, 20999), (913, 17503), (1909, 8371)]