2172878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:503

約数の個数: 16

約数和(自身を含む): 3459840

約数和(自身を除く): 1286962

約数列:

[1, 2, 19, 38, 211, 271, 422, 542, 4009, 5149, 8018, 10298, 57181, 114362, 1086439, 2172878]

約数ペア:

[(1, 2172878), (2, 1086439), (19, 114362), (38, 57181), (211, 10298), (271, 8018), (422, 5149), (542, 4009)]