31105984

素因数分解:

$2^6\times 7^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 112

約数和(自身を含む): 78232000

約数和(自身を除く): 47126016

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, 2548, 2744, 2834, 2912, 3052, 3136, 3488, 4459, 5096, 5341, 5488, 5668, 5824, 6104, 6976, 8918, 9919, 10192, 10682, 10976, 11336, 12208, 17836, 19838, 20384, 21364, 21952, 22672, 24416, 35672, 37387, 39676, 40768, 42728, 45344, 48832, 69433, 71344, 74774, 79352, 85456, 90688, 138866, 142688, 149548, 158704, 170912, 277732, 285376, 299096, 317408, 341824, 486031, 555464, 598192, 634816, 972062, 1110928, 1196384, 1944124, 2221856, 2392768, 3888248, 4443712, 7776496, 15552992, 31105984]

約数ペア:

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