2642668

素因数分解:

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

素因数の和:254

約数の個数: 36

約数和(自身を含む): 5474280

約数和(自身を除く): 2831612

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 139, 194, 196, 278, 388, 556, 679, 973, 1358, 1946, 2716, 3892, 4753, 6811, 9506, 13483, 13622, 19012, 26966, 27244, 53932, 94381, 188762, 377524, 660667, 1321334, 2642668]

約数ペア:

[(1, 2642668), (2, 1321334), (4, 660667), (7, 377524), (14, 188762), (28, 94381), (49, 53932), (97, 27244), (98, 26966), (139, 19012), (194, 13622), (196, 13483), (278, 9506), (388, 6811), (556, 4753), (679, 3892), (973, 2716), (1358, 1946)]