28838732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 61375440

約数和(自身を除く): 32536708

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 101, 202, 221, 247, 289, 323, 404, 442, 494, 578, 646, 884, 988, 1156, 1292, 1313, 1717, 1919, 2626, 3434, 3757, 3838, 4199, 5252, 5491, 6868, 7514, 7676, 8398, 10982, 15028, 16796, 21964, 22321, 24947, 29189, 32623, 44642, 49894, 58378, 65246, 71383, 89284, 99788, 116756, 130492, 142766, 285532, 379457, 424099, 554591, 758914, 848198, 1109182, 1517828, 1696396, 2218364, 7209683, 14419366, 28838732]

約数ペア:

[(1, 28838732), (2, 14419366), (4, 7209683), (13, 2218364), (17, 1696396), (19, 1517828), (26, 1109182), (34, 848198), (38, 758914), (52, 554591), (68, 424099), (76, 379457), (101, 285532), (202, 142766), (221, 130492), (247, 116756), (289, 99788), (323, 89284), (404, 71383), (442, 65246), (494, 58378), (578, 49894), (646, 44642), (884, 32623), (988, 29189), (1156, 24947), (1292, 22321), (1313, 21964), (1717, 16796), (1919, 15028), (2626, 10982), (3434, 8398), (3757, 7676), (3838, 7514), (4199, 6868), (5252, 5491)]