208547416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 513884160

約数和(自身を除く): 305336744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 67, 77, 88, 124, 134, 154, 163, 217, 248, 268, 308, 326, 341, 434, 469, 536, 616, 652, 682, 737, 868, 938, 1141, 1304, 1364, 1474, 1736, 1793, 1876, 2077, 2282, 2387, 2728, 2948, 3586, 3752, 4154, 4564, 4774, 5053, 5159, 5896, 7172, 8308, 9128, 9548, 10106, 10318, 10921, 12551, 14344, 14539, 16616, 19096, 20212, 20636, 21842, 22847, 25102, 29078, 35371, 40424, 41272, 43684, 45694, 50204, 55583, 58156, 70742, 76447, 87368, 91388, 100408, 111166, 116312, 120131, 141484, 152894, 159929, 182776, 222332, 240262, 282968, 305788, 319858, 338551, 389081, 444664, 480524, 611576, 639716, 677102, 778162, 840917, 961048, 1279432, 1354204, 1556324, 1681834, 2369857, 2708408, 3112648, 3363668, 3724061, 4739714, 6727336, 7448122, 9479428, 14896244, 18958856, 26068427, 29792488, 52136854, 104273708, 208547416]

約数ペア:

[(1, 208547416), (2, 104273708), (4, 52136854), (7, 29792488), (8, 26068427), (11, 18958856), (14, 14896244), (22, 9479428), (28, 7448122), (31, 6727336), (44, 4739714), (56, 3724061), (62, 3363668), (67, 3112648), (77, 2708408), (88, 2369857), (124, 1681834), (134, 1556324), (154, 1354204), (163, 1279432), (217, 961048), (248, 840917), (268, 778162), (308, 677102), (326, 639716), (341, 611576), (434, 480524), (469, 444664), (536, 389081), (616, 338551), (652, 319858), (682, 305788), (737, 282968), (868, 240262), (938, 222332), (1141, 182776), (1304, 159929), (1364, 152894), (1474, 141484), (1736, 120131), (1793, 116312), (1876, 111166), (2077, 100408), (2282, 91388), (2387, 87368), (2728, 76447), (2948, 70742), (3586, 58156), (3752, 55583), (4154, 50204), (4564, 45694), (4774, 43684), (5053, 41272), (5159, 40424), (5896, 35371), (7172, 29078), (8308, 25102), (9128, 22847), (9548, 21842), (10106, 20636), (10318, 20212), (10921, 19096), (12551, 16616), (14344, 14539)]