28741648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138181}}^1$

素因数の和:138202

約数の個数: 20

約数和(自身を含む): 59970988

約数和(自身を除く): 31229340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138181, 276362, 552724, 1105448, 1796353, 2210896, 3592706, 7185412, 14370824, 28741648]

約数ペア:

[(1, 28741648), (2, 14370824), (4, 7185412), (8, 3592706), (13, 2210896), (16, 1796353), (26, 1105448), (52, 552724), (104, 276362), (208, 138181)]