138240256

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7013}}^1$

素因数の和:7047

約数の個数: 72

約数和(自身を含む): 344078784

約数和(自身を除く): 205838528

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 4928, 7013, 9856, 14026, 19712, 28052, 49091, 56104, 77143, 98182, 112208, 154286, 196364, 224416, 308572, 392728, 448832, 540001, 617144, 785456, 897664, 1080002, 1234288, 1570912, 1795328, 2160004, 2468576, 3141824, 4320008, 4937152, 6283648, 8640016, 9874304, 12567296, 17280032, 19748608, 34560064, 69120128, 138240256]

約数ペア:

[(1, 138240256), (2, 69120128), (4, 34560064), (7, 19748608), (8, 17280032), (11, 12567296), (14, 9874304), (16, 8640016), (22, 6283648), (28, 4937152), (32, 4320008), (44, 3141824), (56, 2468576), (64, 2160004), (77, 1795328), (88, 1570912), (112, 1234288), (128, 1080002), (154, 897664), (176, 785456), (224, 617144), (256, 540001), (308, 448832), (352, 392728), (448, 308572), (616, 224416), (704, 196364), (896, 154286), (1232, 112208), (1408, 98182), (1792, 77143), (2464, 56104), (2816, 49091), (4928, 28052), (7013, 19712), (9856, 14026)]