280688778

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1879}}^1$

素因数の和:2123

約数の個数: 48

約数和(自身を含む): 625859520

約数和(自身を除く): 345170742

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 193, 258, 386, 387, 579, 774, 1158, 1737, 1879, 3474, 3758, 5637, 8299, 11274, 16598, 16911, 24897, 33822, 49794, 74691, 80797, 149382, 161594, 242391, 362647, 484782, 725294, 727173, 1087941, 1454346, 2175882, 3263823, 6527646, 15593821, 31187642, 46781463, 93562926, 140344389, 280688778]

約数ペア:

[(1, 280688778), (2, 140344389), (3, 93562926), (6, 46781463), (9, 31187642), (18, 15593821), (43, 6527646), (86, 3263823), (129, 2175882), (193, 1454346), (258, 1087941), (386, 727173), (387, 725294), (579, 484782), (774, 362647), (1158, 242391), (1737, 161594), (1879, 149382), (3474, 80797), (3758, 74691), (5637, 49794), (8299, 33822), (11274, 24897), (16598, 16911)]