71428864

素因数分解:

$2^8\times {\mathrm{13}}^3\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 155671040

約数和(自身を除く): 84242176

約数列:

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

約数ペア:

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