280642318

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37409}}^1$

素因数の和:37464

約数の個数: 24

約数和(自身を含む): 477650880

約数和(自身を除く): 197008562

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 3751, 7502, 37409, 74818, 411499, 822998, 1159679, 2319358, 4526489, 9052978, 12756469, 25512938, 140321159, 280642318]

約数ペア:

[(1, 280642318), (2, 140321159), (11, 25512938), (22, 12756469), (31, 9052978), (62, 4526489), (121, 2319358), (242, 1159679), (341, 822998), (682, 411499), (3751, 74818), (7502, 37409)]