216173659

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 249460512

約数和(自身を除く): 33286853

約数列:

[1, 13, 19, 73, 247, 361, 631, 949, 1387, 4693, 8203, 11989, 18031, 26353, 46063, 155857, 227791, 342589, 598819, 875197, 2961283, 11377561, 16628743, 216173659]

約数ペア:

[(1, 216173659), (13, 16628743), (19, 11377561), (73, 2961283), (247, 875197), (361, 598819), (631, 342589), (949, 227791), (1387, 155857), (4693, 46063), (8203, 26353), (11989, 18031)]