197856828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1009}}^1$

素因数の和:1451

約数の個数: 72

約数和(自身を含む): 540430800

約数和(自身を除く): 342573972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 419, 468, 838, 1009, 1257, 1676, 2018, 2514, 3027, 3771, 4036, 5028, 5447, 6054, 7542, 9081, 10894, 12108, 13117, 15084, 16341, 18162, 21788, 26234, 32682, 36324, 39351, 49023, 52468, 65364, 78702, 98046, 118053, 157404, 196092, 236106, 422771, 472212, 845542, 1268313, 1691084, 2536626, 3804939, 5073252, 5496023, 7609878, 10992046, 15219756, 16488069, 21984092, 32976138, 49464207, 65952276, 98928414, 197856828]

約数ペア:

[(1, 197856828), (2, 98928414), (3, 65952276), (4, 49464207), (6, 32976138), (9, 21984092), (12, 16488069), (13, 15219756), (18, 10992046), (26, 7609878), (36, 5496023), (39, 5073252), (52, 3804939), (78, 2536626), (117, 1691084), (156, 1268313), (234, 845542), (419, 472212), (468, 422771), (838, 236106), (1009, 196092), (1257, 157404), (1676, 118053), (2018, 98046), (2514, 78702), (3027, 65364), (3771, 52468), (4036, 49023), (5028, 39351), (5447, 36324), (6054, 32682), (7542, 26234), (9081, 21788), (10894, 18162), (12108, 16341), (13117, 15084)]