16891002

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 37957920

約数和(自身を除く): 21066918

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 139, 157, 258, 278, 314, 387, 417, 471, 774, 834, 942, 1251, 1413, 2502, 2826, 5977, 6751, 11954, 13502, 17931, 20253, 21823, 35862, 40506, 43646, 53793, 60759, 65469, 107586, 121518, 130938, 196407, 392814, 938389, 1876778, 2815167, 5630334, 8445501, 16891002]

約数ペア:

[(1, 16891002), (2, 8445501), (3, 5630334), (6, 2815167), (9, 1876778), (18, 938389), (43, 392814), (86, 196407), (129, 130938), (139, 121518), (157, 107586), (258, 65469), (278, 60759), (314, 53793), (387, 43646), (417, 40506), (471, 35862), (774, 21823), (834, 20253), (942, 17931), (1251, 13502), (1413, 11954), (2502, 6751), (2826, 5977)]