78725368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 85503752

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 71, 124, 136, 142, 248, 263, 284, 526, 527, 568, 1052, 1054, 1207, 2104, 2108, 2201, 2414, 4216, 4402, 4471, 4828, 8153, 8804, 8942, 9656, 16306, 17608, 17884, 18673, 32612, 35768, 37346, 37417, 65224, 74692, 74834, 138601, 149384, 149668, 277202, 299336, 317441, 554404, 578863, 634882, 1108808, 1157726, 1269764, 2315452, 2539528, 4630904, 9840671, 19681342, 39362684, 78725368]

約数ペア:

[(1, 78725368), (2, 39362684), (4, 19681342), (8, 9840671), (17, 4630904), (31, 2539528), (34, 2315452), (62, 1269764), (68, 1157726), (71, 1108808), (124, 634882), (136, 578863), (142, 554404), (248, 317441), (263, 299336), (284, 277202), (526, 149668), (527, 149384), (568, 138601), (1052, 74834), (1054, 74692), (1207, 65224), (2104, 37417), (2108, 37346), (2201, 35768), (2414, 32612), (4216, 18673), (4402, 17884), (4471, 17608), (4828, 16306), (8153, 9656), (8804, 8942)]