28501784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{811}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 56125440

約数和(自身を除く): 27623656

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 191, 382, 764, 811, 1528, 1622, 3244, 4393, 6488, 8786, 17572, 18653, 35144, 37306, 74612, 149224, 154901, 309802, 619604, 1239208, 3562723, 7125446, 14250892, 28501784]

約数ペア:

[(1, 28501784), (2, 14250892), (4, 7125446), (8, 3562723), (23, 1239208), (46, 619604), (92, 309802), (184, 154901), (191, 149224), (382, 74612), (764, 37306), (811, 35144), (1528, 18653), (1622, 17572), (3244, 8786), (4393, 6488)]