7928004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 21897120

約数和(自身を除く): 13969116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 139, 147, 194, 196, 278, 291, 294, 388, 417, 556, 582, 588, 679, 834, 973, 1164, 1358, 1668, 1946, 2037, 2716, 2919, 3892, 4074, 4753, 5838, 6811, 8148, 9506, 11676, 13483, 13622, 14259, 19012, 20433, 26966, 27244, 28518, 40449, 40866, 53932, 57036, 80898, 81732, 94381, 161796, 188762, 283143, 377524, 566286, 660667, 1132572, 1321334, 1982001, 2642668, 3964002, 7928004]

約数ペア:

[(1, 7928004), (2, 3964002), (3, 2642668), (4, 1982001), (6, 1321334), (7, 1132572), (12, 660667), (14, 566286), (21, 377524), (28, 283143), (42, 188762), (49, 161796), (84, 94381), (97, 81732), (98, 80898), (139, 57036), (147, 53932), (194, 40866), (196, 40449), (278, 28518), (291, 27244), (294, 26966), (388, 20433), (417, 19012), (556, 14259), (582, 13622), (588, 13483), (679, 11676), (834, 9506), (973, 8148), (1164, 6811), (1358, 5838), (1668, 4753), (1946, 4074), (2037, 3892), (2716, 2919)]