78354328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 167060880

約数和(自身を除く): 88706552

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1976, 2087, 2888, 4174, 4693, 8348, 9386, 16696, 18772, 27131, 37544, 39653, 54262, 79306, 108524, 158612, 217048, 317224, 515489, 753407, 1030978, 1506814, 2061956, 3013628, 4123912, 6027256, 9794291, 19588582, 39177164, 78354328]

約数ペア:

[(1, 78354328), (2, 39177164), (4, 19588582), (8, 9794291), (13, 6027256), (19, 4123912), (26, 3013628), (38, 2061956), (52, 1506814), (76, 1030978), (104, 753407), (152, 515489), (247, 317224), (361, 217048), (494, 158612), (722, 108524), (988, 79306), (1444, 54262), (1976, 39653), (2087, 37544), (2888, 27131), (4174, 18772), (4693, 16696), (8348, 9386)]