256236461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{11953}}^1$

素因数の和:12080

約数の個数: 16

約数和(自身を含む): 295215984

約数和(自身を除く): 38979523

約数列:

[1, 13, 17, 97, 221, 1261, 1649, 11953, 21437, 155389, 203201, 1159441, 2641613, 15072733, 19710497, 256236461]

約数ペア:

[(1, 256236461), (13, 19710497), (17, 15072733), (97, 2641613), (221, 1159441), (1261, 203201), (1649, 155389), (11953, 21437)]