27949684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 59512320

約数和(自身を除く): 31562636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 491, 532, 749, 982, 1498, 1964, 2033, 2996, 3437, 4066, 6874, 8132, 9329, 13748, 14231, 18658, 28462, 37316, 52537, 56924, 65303, 105074, 130606, 210148, 261212, 367759, 735518, 998203, 1471036, 1996406, 3992812, 6987421, 13974842, 27949684]

約数ペア:

[(1, 27949684), (2, 13974842), (4, 6987421), (7, 3992812), (14, 1996406), (19, 1471036), (28, 998203), (38, 735518), (76, 367759), (107, 261212), (133, 210148), (214, 130606), (266, 105074), (428, 65303), (491, 56924), (532, 52537), (749, 37316), (982, 28462), (1498, 18658), (1964, 14231), (2033, 13748), (2996, 9329), (3437, 8132), (4066, 6874)]