15550645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 6844235

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 647, 1045, 1265, 2185, 3235, 4807, 7117, 12293, 14881, 24035, 35585, 61465, 74405, 135223, 163691, 282739, 676115, 818455, 1413695, 3110129, 15550645]

約数ペア:

[(1, 15550645), (5, 3110129), (11, 1413695), (19, 818455), (23, 676115), (55, 282739), (95, 163691), (115, 135223), (209, 74405), (253, 61465), (437, 35585), (647, 24035), (1045, 14881), (1265, 12293), (2185, 7117), (3235, 4807)]