12815861

素因数分解:

${\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 12

約数和(自身を含む): 13679424

約数和(自身を除く): 863563

約数列:

[1, 19, 131, 271, 361, 2489, 5149, 35501, 47291, 97831, 674519, 12815861]

約数ペア:

[(1, 12815861), (19, 674519), (131, 97831), (271, 47291), (361, 35501), (2489, 5149)]