2157685656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{677}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 6295311360

約数和(自身を除く): 4137625704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 311, 366, 427, 488, 622, 677, 732, 854, 933, 1244, 1281, 1354, 1464, 1708, 1866, 2031, 2177, 2488, 2562, 2708, 3416, 3732, 4062, 4354, 4739, 5124, 5416, 6531, 7464, 8124, 8708, 9478, 10248, 13062, 14217, 16248, 17416, 18956, 18971, 26124, 28434, 37912, 37942, 41297, 52248, 56868, 56913, 75884, 82594, 113736, 113826, 123891, 132797, 151768, 165188, 210547, 227652, 247782, 265594, 289079, 330376, 398391, 421094, 455304, 495564, 531188, 578158, 631641, 796782, 842188, 867237, 991128, 1062376, 1156316, 1263282, 1473829, 1593564, 1684376, 1734474, 2312632, 2526564, 2947658, 3187128, 3468948, 4421487, 5053128, 5895316, 6937896, 8842974, 11790632, 12843367, 17685948, 25686734, 35371896, 38530101, 51373468, 77060202, 89903569, 102746936, 154120404, 179807138, 269710707, 308240808, 359614276, 539421414, 719228552, 1078842828, 2157685656]

約数ペア:

[(1, 2157685656), (2, 1078842828), (3, 719228552), (4, 539421414), (6, 359614276), (7, 308240808), (8, 269710707), (12, 179807138), (14, 154120404), (21, 102746936), (24, 89903569), (28, 77060202), (42, 51373468), (56, 38530101), (61, 35371896), (84, 25686734), (122, 17685948), (168, 12843367), (183, 11790632), (244, 8842974), (311, 6937896), (366, 5895316), (427, 5053128), (488, 4421487), (622, 3468948), (677, 3187128), (732, 2947658), (854, 2526564), (933, 2312632), (1244, 1734474), (1281, 1684376), (1354, 1593564), (1464, 1473829), (1708, 1263282), (1866, 1156316), (2031, 1062376), (2177, 991128), (2488, 867237), (2562, 842188), (2708, 796782), (3416, 631641), (3732, 578158), (4062, 531188), (4354, 495564), (4739, 455304), (5124, 421094), (5416, 398391), (6531, 330376), (7464, 289079), (8124, 265594), (8708, 247782), (9478, 227652), (10248, 210547), (13062, 165188), (14217, 151768), (16248, 132797), (17416, 123891), (18956, 113826), (18971, 113736), (26124, 82594), (28434, 75884), (37912, 56913), (37942, 56868), (41297, 52248)]