818561315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{4133}}^1$

素因数の和:4439

約数の個数: 32

約数和(自身を含む): 1158446016

約数和(自身を除く): 339884701

約数列:

[1, 5, 11, 13, 55, 65, 143, 277, 715, 1385, 3047, 3601, 4133, 15235, 18005, 20665, 39611, 45463, 53729, 198055, 227315, 268645, 591019, 1144841, 2955095, 5724205, 12593251, 14882933, 62966255, 74414665, 163712263, 818561315]

約数ペア:

[(1, 818561315), (5, 163712263), (11, 74414665), (13, 62966255), (55, 14882933), (65, 12593251), (143, 5724205), (277, 2955095), (715, 1144841), (1385, 591019), (3047, 268645), (3601, 227315), (4133, 198055), (15235, 53729), (18005, 45463), (20665, 39611)]