127403984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6991}}^1$

素因数の和:7083

約数の個数: 40

約数和(自身を含む): 265304448

約数和(自身を除く): 137900464

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4556, 6991, 9112, 13982, 18224, 27964, 55928, 111856, 118847, 237694, 468397, 475388, 936794, 950776, 1873588, 1901552, 3747176, 7494352, 7962749, 15925498, 31850996, 63701992, 127403984]

約数ペア:

[(1, 127403984), (2, 63701992), (4, 31850996), (8, 15925498), (16, 7962749), (17, 7494352), (34, 3747176), (67, 1901552), (68, 1873588), (134, 950776), (136, 936794), (268, 475388), (272, 468397), (536, 237694), (1072, 118847), (1139, 111856), (2278, 55928), (4556, 27964), (6991, 18224), (9112, 13982)]