28700984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32262856

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 53, 82, 104, 106, 127, 164, 212, 254, 328, 424, 508, 533, 689, 1016, 1066, 1378, 1651, 2132, 2173, 2756, 3302, 4264, 4346, 5207, 5512, 6604, 6731, 8692, 10414, 13208, 13462, 17384, 20828, 26924, 28249, 41656, 53848, 56498, 67691, 87503, 112996, 135382, 175006, 225992, 270764, 275971, 350012, 541528, 551942, 700024, 1103884, 2207768, 3587623, 7175246, 14350492, 28700984]

約数ペア:

[(1, 28700984), (2, 14350492), (4, 7175246), (8, 3587623), (13, 2207768), (26, 1103884), (41, 700024), (52, 551942), (53, 541528), (82, 350012), (104, 275971), (106, 270764), (127, 225992), (164, 175006), (212, 135382), (254, 112996), (328, 87503), (424, 67691), (508, 56498), (533, 53848), (689, 41656), (1016, 28249), (1066, 26924), (1378, 20828), (1651, 17384), (2132, 13462), (2173, 13208), (2756, 10414), (3302, 8692), (4264, 6731), (4346, 6604), (5207, 5512)]