2117098921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{7963}}^1$

素因数の和:9988

約数の個数: 16

約数和(自身を含む): 2548480000

約数和(自身を除く): 431381079

約数列:

[1, 7, 19, 133, 1999, 7963, 13993, 37981, 55741, 151297, 265867, 1059079, 15918037, 111426259, 302442703, 2117098921]

約数ペア:

[(1, 2117098921), (7, 302442703), (19, 111426259), (133, 15918037), (1999, 1059079), (7963, 265867), (13993, 151297), (37981, 55741)]