647972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 1294776

約数和(自身を除く): 646804

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 733, 884, 1466, 2932, 9529, 12461, 19058, 24922, 38116, 49844, 161993, 323986, 647972]

約数ペア:

[(1, 647972), (2, 323986), (4, 161993), (13, 49844), (17, 38116), (26, 24922), (34, 19058), (52, 12461), (68, 9529), (221, 2932), (442, 1466), (733, 884)]