66443665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 23135855

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 437, 647, 893, 1081, 2185, 3235, 4465, 5405, 12293, 14881, 20539, 30409, 61465, 74405, 102695, 152045, 282739, 577771, 699407, 1413695, 2888855, 3497035, 13288733, 66443665]

約数ペア:

[(1, 66443665), (5, 13288733), (19, 3497035), (23, 2888855), (47, 1413695), (95, 699407), (115, 577771), (235, 282739), (437, 152045), (647, 102695), (893, 74405), (1081, 61465), (2185, 30409), (3235, 20539), (4465, 14881), (5405, 12293)]