644611477345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1\times {\mathrm{132947}}^1$

素因数の和:133605

約数の個数: 32

約数和(自身を含む): 850016332800

約数和(自身を除く): 205404855455

約数列:

[1, 5, 11, 55, 199, 443, 995, 2189, 2215, 4873, 10945, 24365, 88157, 132947, 440785, 664735, 969727, 1462417, 4848635, 7312085, 26456453, 58895521, 132282265, 291020983, 294477605, 647850731, 1455104915, 3239253655, 11720208679, 58601043395, 128922295469, 644611477345]

約数ペア:

[(1, 644611477345), (5, 128922295469), (11, 58601043395), (55, 11720208679), (199, 3239253655), (443, 1455104915), (995, 647850731), (2189, 294477605), (2215, 291020983), (4873, 132282265), (10945, 58895521), (24365, 26456453), (88157, 7312085), (132947, 4848635), (440785, 1462417), (664735, 969727)]