12981959

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 14522880

約数和(自身を除く): 1540921

約数列:

[1, 19, 23, 61, 437, 487, 1159, 1403, 9253, 11201, 26657, 29707, 212819, 564433, 683261, 12981959]

約数ペア:

[(1, 12981959), (19, 683261), (23, 564433), (61, 212819), (437, 29707), (487, 26657), (1159, 11201), (1403, 9253)]