15817644

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 42042000

約数和(自身を除く): 26224356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 109, 116, 139, 174, 218, 261, 278, 327, 348, 417, 436, 522, 556, 654, 834, 981, 1044, 1251, 1308, 1668, 1962, 2502, 3161, 3924, 4031, 5004, 6322, 8062, 9483, 12093, 12644, 15151, 16124, 18966, 24186, 28449, 30302, 36279, 37932, 45453, 48372, 56898, 60604, 72558, 90906, 113796, 136359, 145116, 181812, 272718, 439379, 545436, 878758, 1318137, 1757516, 2636274, 3954411, 5272548, 7908822, 15817644]

約数ペア:

[(1, 15817644), (2, 7908822), (3, 5272548), (4, 3954411), (6, 2636274), (9, 1757516), (12, 1318137), (18, 878758), (29, 545436), (36, 439379), (58, 272718), (87, 181812), (109, 145116), (116, 136359), (139, 113796), (174, 90906), (218, 72558), (261, 60604), (278, 56898), (327, 48372), (348, 45453), (417, 37932), (436, 36279), (522, 30302), (556, 28449), (654, 24186), (834, 18966), (981, 16124), (1044, 15151), (1251, 12644), (1308, 12093), (1668, 9483), (1962, 8062), (2502, 6322), (3161, 5004), (3924, 4031)]