221083984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 483969024

約数和(自身を除く): 262885040

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 131, 172, 176, 223, 262, 344, 446, 473, 524, 688, 892, 946, 1048, 1441, 1784, 1892, 2096, 2453, 2882, 3568, 3784, 4906, 5633, 5764, 7568, 9589, 9812, 11266, 11528, 19178, 19624, 22532, 23056, 29213, 38356, 39248, 45064, 58426, 61963, 76712, 90128, 105479, 116852, 123926, 153424, 210958, 233704, 247852, 321343, 421916, 467408, 495704, 642686, 843832, 991408, 1256159, 1285372, 1687664, 2512318, 2570744, 5024636, 5141488, 10049272, 13817749, 20098544, 27635498, 55270996, 110541992, 221083984]

約数ペア:

[(1, 221083984), (2, 110541992), (4, 55270996), (8, 27635498), (11, 20098544), (16, 13817749), (22, 10049272), (43, 5141488), (44, 5024636), (86, 2570744), (88, 2512318), (131, 1687664), (172, 1285372), (176, 1256159), (223, 991408), (262, 843832), (344, 642686), (446, 495704), (473, 467408), (524, 421916), (688, 321343), (892, 247852), (946, 233704), (1048, 210958), (1441, 153424), (1784, 123926), (1892, 116852), (2096, 105479), (2453, 90128), (2882, 76712), (3568, 61963), (3784, 58426), (4906, 45064), (5633, 39248), (5764, 38356), (7568, 29213), (9589, 23056), (9812, 22532), (11266, 19624), (11528, 19178)]