2490894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 6301152

約数和(自身を除く): 3810258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 373, 477, 742, 746, 954, 1113, 1119, 2226, 2238, 2611, 3339, 3357, 5222, 6678, 6714, 7833, 15666, 19769, 23499, 39538, 46998, 59307, 118614, 138383, 177921, 276766, 355842, 415149, 830298, 1245447, 2490894]

約数ペア:

[(1, 2490894), (2, 1245447), (3, 830298), (6, 415149), (7, 355842), (9, 276766), (14, 177921), (18, 138383), (21, 118614), (42, 59307), (53, 46998), (63, 39538), (106, 23499), (126, 19769), (159, 15666), (318, 7833), (371, 6714), (373, 6678), (477, 5222), (742, 3357), (746, 3339), (954, 2611), (1113, 2238), (1119, 2226)]