199909818

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{6491}}^1$

素因数の和:6587

約数の個数: 48

約数和(自身を含む): 455738400

約数和(自身を除く): 255828582

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 59, 87, 118, 174, 177, 261, 354, 522, 531, 1062, 1711, 3422, 5133, 6491, 10266, 12982, 15399, 19473, 30798, 38946, 58419, 116838, 188239, 376478, 382969, 564717, 765938, 1129434, 1148907, 1694151, 2297814, 3388302, 3446721, 6893442, 11106101, 22212202, 33318303, 66636606, 99954909, 199909818]

約数ペア:

[(1, 199909818), (2, 99954909), (3, 66636606), (6, 33318303), (9, 22212202), (18, 11106101), (29, 6893442), (58, 3446721), (59, 3388302), (87, 2297814), (118, 1694151), (174, 1148907), (177, 1129434), (261, 765938), (354, 564717), (522, 382969), (531, 376478), (1062, 188239), (1711, 116838), (3422, 58419), (5133, 38946), (6491, 30798), (10266, 19473), (12982, 15399)]