2161509376

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:839

約数の個数: 88

約数和(自身を含む): 4676412440

約数和(自身を除く): 2514903064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 397, 409, 416, 512, 794, 818, 832, 1024, 1588, 1636, 1664, 3176, 3272, 3328, 5161, 5317, 6352, 6544, 6656, 10322, 10634, 12704, 13088, 13312, 20644, 21268, 25408, 26176, 41288, 42536, 50816, 52352, 82576, 85072, 101632, 104704, 162373, 165152, 170144, 203264, 209408, 324746, 330304, 340288, 406528, 418816, 649492, 660608, 680576, 1298984, 1321216, 1361152, 2110849, 2597968, 2642432, 2722304, 4221698, 5195936, 5284864, 5444608, 8443396, 10391872, 16886792, 20783744, 33773584, 41567488, 67547168, 83134976, 135094336, 166269952, 270188672, 540377344, 1080754688, 2161509376]

約数ペア:

[(1, 2161509376), (2, 1080754688), (4, 540377344), (8, 270188672), (13, 166269952), (16, 135094336), (26, 83134976), (32, 67547168), (52, 41567488), (64, 33773584), (104, 20783744), (128, 16886792), (208, 10391872), (256, 8443396), (397, 5444608), (409, 5284864), (416, 5195936), (512, 4221698), (794, 2722304), (818, 2642432), (832, 2597968), (1024, 2110849), (1588, 1361152), (1636, 1321216), (1664, 1298984), (3176, 680576), (3272, 660608), (3328, 649492), (5161, 418816), (5317, 406528), (6352, 340288), (6544, 330304), (6656, 324746), (10322, 209408), (10634, 203264), (12704, 170144), (13088, 165152), (13312, 162373), (20644, 104704), (21268, 101632), (25408, 85072), (26176, 82576), (41288, 52352), (42536, 50816)]