673838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 16

約数和(自身を含む): 1116720

約数和(自身を除く): 442882

約数列:

[1, 2, 11, 22, 109, 218, 281, 562, 1199, 2398, 3091, 6182, 30629, 61258, 336919, 673838]

約数ペア:

[(1, 673838), (2, 336919), (11, 61258), (22, 30629), (109, 6182), (218, 3091), (281, 2398), (562, 1199)]