28912312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 35599688

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 127, 143, 199, 254, 286, 398, 508, 572, 796, 1016, 1144, 1397, 1592, 1651, 2189, 2587, 2794, 3302, 4378, 5174, 5588, 6604, 8756, 10348, 11176, 13208, 17512, 18161, 20696, 25273, 28457, 36322, 50546, 56914, 72644, 101092, 113828, 145288, 202184, 227656, 278003, 328549, 556006, 657098, 1112012, 1314196, 2224024, 2628392, 3614039, 7228078, 14456156, 28912312]

約数ペア:

[(1, 28912312), (2, 14456156), (4, 7228078), (8, 3614039), (11, 2628392), (13, 2224024), (22, 1314196), (26, 1112012), (44, 657098), (52, 556006), (88, 328549), (104, 278003), (127, 227656), (143, 202184), (199, 145288), (254, 113828), (286, 101092), (398, 72644), (508, 56914), (572, 50546), (796, 36322), (1016, 28457), (1144, 25273), (1397, 20696), (1592, 18161), (1651, 17512), (2189, 13208), (2587, 11176), (2794, 10348), (3302, 8756), (4378, 6604), (5174, 5588)]