221555264

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 168

約数和(自身を含む): 550395648

約数和(自身を除く): 328840384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 49, 53, 56, 62, 64, 86, 98, 106, 112, 124, 172, 196, 212, 217, 224, 248, 301, 344, 371, 392, 424, 434, 448, 496, 602, 688, 742, 784, 848, 868, 992, 1204, 1333, 1376, 1484, 1519, 1568, 1643, 1696, 1736, 1984, 2107, 2279, 2408, 2597, 2666, 2752, 2968, 3038, 3136, 3286, 3392, 3472, 4214, 4558, 4816, 5194, 5332, 5936, 6076, 6572, 6944, 8428, 9116, 9331, 9632, 10388, 10664, 11501, 11872, 12152, 13144, 13888, 15953, 16856, 18232, 18662, 19264, 20776, 21328, 23002, 23744, 24304, 26288, 31906, 33712, 36464, 37324, 41552, 42656, 46004, 48608, 52576, 63812, 65317, 67424, 70649, 72928, 74648, 80507, 83104, 85312, 92008, 97216, 105152, 111671, 127624, 130634, 134848, 141298, 145856, 149296, 161014, 166208, 184016, 223342, 255248, 261268, 282596, 298592, 322028, 368032, 446684, 494543, 510496, 522536, 565192, 597184, 644056, 736064, 893368, 989086, 1020992, 1045072, 1130384, 1288112, 1786736, 1978172, 2090144, 2260768, 2576224, 3461801, 3573472, 3956344, 4180288, 4521536, 5152448, 6923602, 7146944, 7912688, 13847204, 15825376, 27694408, 31650752, 55388816, 110777632, 221555264]

約数ペア:

[(1, 221555264), (2, 110777632), (4, 55388816), (7, 31650752), (8, 27694408), (14, 15825376), (16, 13847204), (28, 7912688), (31, 7146944), (32, 6923602), (43, 5152448), (49, 4521536), (53, 4180288), (56, 3956344), (62, 3573472), (64, 3461801), (86, 2576224), (98, 2260768), (106, 2090144), (112, 1978172), (124, 1786736), (172, 1288112), (196, 1130384), (212, 1045072), (217, 1020992), (224, 989086), (248, 893368), (301, 736064), (344, 644056), (371, 597184), (392, 565192), (424, 522536), (434, 510496), (448, 494543), (496, 446684), (602, 368032), (688, 322028), (742, 298592), (784, 282596), (848, 261268), (868, 255248), (992, 223342), (1204, 184016), (1333, 166208), (1376, 161014), (1484, 149296), (1519, 145856), (1568, 141298), (1643, 134848), (1696, 130634), (1736, 127624), (1984, 111671), (2107, 105152), (2279, 97216), (2408, 92008), (2597, 85312), (2666, 83104), (2752, 80507), (2968, 74648), (3038, 72928), (3136, 70649), (3286, 67424), (3392, 65317), (3472, 63812), (4214, 52576), (4558, 48608), (4816, 46004), (5194, 42656), (5332, 41552), (5936, 37324), (6076, 36464), (6572, 33712), (6944, 31906), (8428, 26288), (9116, 24304), (9331, 23744), (9632, 23002), (10388, 21328), (10664, 20776), (11501, 19264), (11872, 18662), (12152, 18232), (13144, 16856), (13888, 15953)]