211869756

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{31139}}^1$

素因数の和:31165

約数の個数: 72

約数和(自身を含む): 634757760

約数和(自身を除く): 422888004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 31139, 62278, 93417, 124556, 186834, 217973, 280251, 373668, 435946, 560502, 653919, 840753, 871892, 1121004, 1307838, 1681506, 1961757, 2522259, 2615676, 3363012, 3923514, 5044518, 5885271, 7566777, 7847028, 10089036, 11770542, 15133554, 17655813, 23541084, 30267108, 35311626, 52967439, 70623252, 105934878, 211869756]

約数ペア:

[(1, 211869756), (2, 105934878), (3, 70623252), (4, 52967439), (6, 35311626), (7, 30267108), (9, 23541084), (12, 17655813), (14, 15133554), (18, 11770542), (21, 10089036), (27, 7847028), (28, 7566777), (36, 5885271), (42, 5044518), (54, 3923514), (63, 3363012), (81, 2615676), (84, 2522259), (108, 1961757), (126, 1681506), (162, 1307838), (189, 1121004), (243, 871892), (252, 840753), (324, 653919), (378, 560502), (486, 435946), (567, 373668), (756, 280251), (972, 217973), (1134, 186834), (1701, 124556), (2268, 93417), (3402, 62278), (6804, 31139)]