261868656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:891

約数の個数: 120

約数和(自身を含む): 799865472

約数和(自身を除く): 537996816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 811, 868, 961, 1302, 1488, 1622, 1736, 1922, 2433, 2604, 2883, 3244, 3472, 3844, 4866, 5208, 5677, 5766, 6488, 6727, 7688, 9732, 10416, 11354, 11532, 12976, 13454, 15376, 17031, 19464, 20181, 22708, 23064, 25141, 26908, 34062, 38928, 40362, 45416, 46128, 50282, 53816, 68124, 75423, 80724, 90832, 100564, 107632, 136248, 150846, 161448, 175987, 201128, 272496, 301692, 322896, 351974, 402256, 527961, 603384, 703948, 779371, 1055922, 1206768, 1407896, 1558742, 2111844, 2338113, 2815792, 3117484, 4223688, 4676226, 5455597, 6234968, 8447376, 9352452, 10911194, 12469936, 16366791, 18704904, 21822388, 32733582, 37409808, 43644776, 65467164, 87289552, 130934328, 261868656]

約数ペア:

[(1, 261868656), (2, 130934328), (3, 87289552), (4, 65467164), (6, 43644776), (7, 37409808), (8, 32733582), (12, 21822388), (14, 18704904), (16, 16366791), (21, 12469936), (24, 10911194), (28, 9352452), (31, 8447376), (42, 6234968), (48, 5455597), (56, 4676226), (62, 4223688), (84, 3117484), (93, 2815792), (112, 2338113), (124, 2111844), (168, 1558742), (186, 1407896), (217, 1206768), (248, 1055922), (336, 779371), (372, 703948), (434, 603384), (496, 527961), (651, 402256), (744, 351974), (811, 322896), (868, 301692), (961, 272496), (1302, 201128), (1488, 175987), (1622, 161448), (1736, 150846), (1922, 136248), (2433, 107632), (2604, 100564), (2883, 90832), (3244, 80724), (3472, 75423), (3844, 68124), (4866, 53816), (5208, 50282), (5677, 46128), (5766, 45416), (6488, 40362), (6727, 38928), (7688, 34062), (9732, 26908), (10416, 25141), (11354, 23064), (11532, 22708), (12976, 20181), (13454, 19464), (15376, 17031)]