261729132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{72461}}^1$

素因数の和:72518

約数の個数: 48

約数和(自身を含む): 714185472

約数和(自身を除く): 452456340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 72461, 144922, 217383, 289844, 434766, 507227, 869532, 1014454, 1521681, 2028908, 3043362, 3115823, 6086724, 6231646, 9347469, 12463292, 18694938, 21810761, 37389876, 43621522, 65432283, 87243044, 130864566, 261729132]

約数ペア:

[(1, 261729132), (2, 130864566), (3, 87243044), (4, 65432283), (6, 43621522), (7, 37389876), (12, 21810761), (14, 18694938), (21, 12463292), (28, 9347469), (42, 6231646), (43, 6086724), (84, 3115823), (86, 3043362), (129, 2028908), (172, 1521681), (258, 1014454), (301, 869532), (516, 507227), (602, 434766), (903, 289844), (1204, 217383), (1806, 144922), (3612, 72461)]