78909894

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{12781}}^1$

素因数の和:12810

約数の個数: 48

約数和(自身を含む): 199399200

約数和(自身を除く): 120489306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 12781, 25562, 38343, 76686, 89467, 115029, 178934, 230058, 268401, 536802, 626269, 805203, 1252538, 1610406, 1878807, 3757614, 4383883, 5636421, 8767766, 11272842, 13151649, 26303298, 39454947, 78909894]

約数ペア:

[(1, 78909894), (2, 39454947), (3, 26303298), (6, 13151649), (7, 11272842), (9, 8767766), (14, 5636421), (18, 4383883), (21, 3757614), (42, 1878807), (49, 1610406), (63, 1252538), (98, 805203), (126, 626269), (147, 536802), (294, 268401), (343, 230058), (441, 178934), (686, 115029), (882, 89467), (1029, 76686), (2058, 38343), (3087, 25562), (6174, 12781)]