28525812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4783}}^1$

素因数の和:4868

約数の個数: 48

約数和(自身を含む): 77156352

約数和(自身を除く): 48630540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 4783, 5964, 9566, 14349, 19132, 28698, 33481, 57396, 66962, 100443, 133924, 200886, 339593, 401772, 679186, 1018779, 1358372, 2037558, 2377151, 4075116, 4754302, 7131453, 9508604, 14262906, 28525812]

約数ペア:

[(1, 28525812), (2, 14262906), (3, 9508604), (4, 7131453), (6, 4754302), (7, 4075116), (12, 2377151), (14, 2037558), (21, 1358372), (28, 1018779), (42, 679186), (71, 401772), (84, 339593), (142, 200886), (213, 133924), (284, 100443), (426, 66962), (497, 57396), (852, 33481), (994, 28698), (1491, 19132), (1988, 14349), (2982, 9566), (4783, 5964)]