142857728

素因数分解:

$2^9\times {\mathrm{13}}^3\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 311646720

約数和(自身を除く): 168788992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 169, 208, 254, 256, 338, 416, 508, 512, 676, 832, 1016, 1352, 1651, 1664, 2032, 2197, 2704, 3302, 3328, 4064, 4394, 5408, 6604, 6656, 8128, 8788, 10816, 13208, 16256, 17576, 21463, 21632, 26416, 32512, 35152, 42926, 43264, 52832, 65024, 70304, 85852, 86528, 105664, 140608, 171704, 211328, 279019, 281216, 343408, 422656, 558038, 562432, 686816, 845312, 1116076, 1124864, 1373632, 2232152, 2747264, 4464304, 5494528, 8928608, 10989056, 17857216, 35714432, 71428864, 142857728]

約数ペア:

[(1, 142857728), (2, 71428864), (4, 35714432), (8, 17857216), (13, 10989056), (16, 8928608), (26, 5494528), (32, 4464304), (52, 2747264), (64, 2232152), (104, 1373632), (127, 1124864), (128, 1116076), (169, 845312), (208, 686816), (254, 562432), (256, 558038), (338, 422656), (416, 343408), (508, 281216), (512, 279019), (676, 211328), (832, 171704), (1016, 140608), (1352, 105664), (1651, 86528), (1664, 85852), (2032, 70304), (2197, 65024), (2704, 52832), (3302, 43264), (3328, 42926), (4064, 35152), (4394, 32512), (5408, 26416), (6604, 21632), (6656, 21463), (8128, 17576), (8788, 16256), (10816, 13208)]