31221424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 65481920

約数和(自身を除く): 34260496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 367, 409, 734, 818, 1468, 1636, 2936, 3272, 4771, 5317, 5872, 6544, 9542, 10634, 19084, 21268, 38168, 42536, 76336, 85072, 150103, 300206, 600412, 1200824, 1951339, 2401648, 3902678, 7805356, 15610712, 31221424]

約数ペア:

[(1, 31221424), (2, 15610712), (4, 7805356), (8, 3902678), (13, 2401648), (16, 1951339), (26, 1200824), (52, 600412), (104, 300206), (208, 150103), (367, 85072), (409, 76336), (734, 42536), (818, 38168), (1468, 21268), (1636, 19084), (2936, 10634), (3272, 9542), (4771, 6544), (5317, 5872)]