81770238

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1429}}^1$

素因数の和:1482

約数の個数: 72

約数和(自身を含む): 205456680

約数和(自身を除く): 123686442

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 289, 306, 374, 561, 578, 867, 1122, 1429, 1683, 1734, 2601, 2858, 3179, 3366, 4287, 5202, 6358, 8574, 9537, 12861, 15719, 19074, 24293, 25722, 28611, 31438, 47157, 48586, 57222, 72879, 94314, 141471, 145758, 218637, 267223, 282942, 412981, 437274, 534446, 801669, 825962, 1238943, 1603338, 2405007, 2477886, 3716829, 4542791, 4810014, 7433658, 9085582, 13628373, 27256746, 40885119, 81770238]

約数ペア:

[(1, 81770238), (2, 40885119), (3, 27256746), (6, 13628373), (9, 9085582), (11, 7433658), (17, 4810014), (18, 4542791), (22, 3716829), (33, 2477886), (34, 2405007), (51, 1603338), (66, 1238943), (99, 825962), (102, 801669), (153, 534446), (187, 437274), (198, 412981), (289, 282942), (306, 267223), (374, 218637), (561, 145758), (578, 141471), (867, 94314), (1122, 72879), (1429, 57222), (1683, 48586), (1734, 47157), (2601, 31438), (2858, 28611), (3179, 25722), (3366, 24293), (4287, 19074), (5202, 15719), (6358, 12861), (8574, 9537)]