87172019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{661}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 100412160

約数和(自身を除く): 13240141

約数列:

[1, 11, 19, 209, 631, 661, 6941, 7271, 11989, 12559, 131879, 138149, 417091, 4588001, 7924729, 87172019]

約数ペア:

[(1, 87172019), (11, 7924729), (19, 4588001), (209, 417091), (631, 138149), (661, 131879), (6941, 12559), (7271, 11989)]