28381184

素因数分解:

$2^{12}\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 78

約数和(自身を含む): 62956026

約数和(自身を除く): 34574842

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 169, 208, 256, 328, 338, 416, 512, 533, 656, 676, 832, 1024, 1066, 1312, 1352, 1664, 2048, 2132, 2624, 2704, 3328, 4096, 4264, 5248, 5408, 6656, 6929, 8528, 10496, 10816, 13312, 13858, 17056, 20992, 21632, 26624, 27716, 34112, 41984, 43264, 53248, 55432, 68224, 83968, 86528, 110864, 136448, 167936, 173056, 221728, 272896, 346112, 443456, 545792, 692224, 886912, 1091584, 1773824, 2183168, 3547648, 7095296, 14190592, 28381184]

約数ペア:

[(1, 28381184), (2, 14190592), (4, 7095296), (8, 3547648), (13, 2183168), (16, 1773824), (26, 1091584), (32, 886912), (41, 692224), (52, 545792), (64, 443456), (82, 346112), (104, 272896), (128, 221728), (164, 173056), (169, 167936), (208, 136448), (256, 110864), (328, 86528), (338, 83968), (416, 68224), (512, 55432), (533, 53248), (656, 43264), (676, 41984), (832, 34112), (1024, 27716), (1066, 26624), (1312, 21632), (1352, 20992), (1664, 17056), (2048, 13858), (2132, 13312), (2624, 10816), (2704, 10496), (3328, 8528), (4096, 6929), (4264, 6656), (5248, 5408)]