281406986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1531}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 508869120

約数和(自身を除く): 227462134

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 691, 1382, 1531, 3062, 4837, 9674, 10717, 13129, 21434, 26258, 29089, 58178, 91903, 183806, 203623, 407246, 1057921, 2115842, 7405447, 14810894, 20100499, 40200998, 140703493, 281406986]

約数ペア:

[(1, 281406986), (2, 140703493), (7, 40200998), (14, 20100499), (19, 14810894), (38, 7405447), (133, 2115842), (266, 1057921), (691, 407246), (1382, 203623), (1531, 183806), (3062, 91903), (4837, 58178), (9674, 29089), (10717, 26258), (13129, 21434)]