217741888

素因数分解:

$2^6\times 7^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 140

約数和(自身を含む): 547819580

約数和(自身を除く): 330077692

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 109, 112, 182, 196, 208, 218, 224, 343, 364, 392, 416, 436, 448, 637, 686, 728, 763, 784, 832, 872, 1274, 1372, 1417, 1456, 1526, 1568, 1744, 2401, 2548, 2744, 2834, 2912, 3052, 3136, 3488, 4459, 4802, 5096, 5341, 5488, 5668, 5824, 6104, 6976, 8918, 9604, 9919, 10192, 10682, 10976, 11336, 12208, 17836, 19208, 19838, 20384, 21364, 21952, 22672, 24416, 31213, 35672, 37387, 38416, 39676, 40768, 42728, 45344, 48832, 62426, 69433, 71344, 74774, 76832, 79352, 85456, 90688, 124852, 138866, 142688, 149548, 153664, 158704, 170912, 249704, 261709, 277732, 285376, 299096, 317408, 341824, 486031, 499408, 523418, 555464, 598192, 634816, 972062, 998816, 1046836, 1110928, 1196384, 1944124, 1997632, 2093672, 2221856, 2392768, 3402217, 3888248, 4187344, 4443712, 6804434, 7776496, 8374688, 13608868, 15552992, 16749376, 27217736, 31105984, 54435472, 108870944, 217741888]

約数ペア:

[(1, 217741888), (2, 108870944), (4, 54435472), (7, 31105984), (8, 27217736), (13, 16749376), (14, 15552992), (16, 13608868), (26, 8374688), (28, 7776496), (32, 6804434), (49, 4443712), (52, 4187344), (56, 3888248), (64, 3402217), (91, 2392768), (98, 2221856), (104, 2093672), (109, 1997632), (112, 1944124), (182, 1196384), (196, 1110928), (208, 1046836), (218, 998816), (224, 972062), (343, 634816), (364, 598192), (392, 555464), (416, 523418), (436, 499408), (448, 486031), (637, 341824), (686, 317408), (728, 299096), (763, 285376), (784, 277732), (832, 261709), (872, 249704), (1274, 170912), (1372, 158704), (1417, 153664), (1456, 149548), (1526, 142688), (1568, 138866), (1744, 124852), (2401, 90688), (2548, 85456), (2744, 79352), (2834, 76832), (2912, 74774), (3052, 71344), (3136, 69433), (3488, 62426), (4459, 48832), (4802, 45344), (5096, 42728), (5341, 40768), (5488, 39676), (5668, 38416), (5824, 37387), (6104, 35672), (6976, 31213), (8918, 24416), (9604, 22672), (9919, 21952), (10192, 21364), (10682, 20384), (10976, 19838), (11336, 19208), (12208, 17836)]