31219694

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 23938066

約数列:

[1, 2, 11, 22, 23, 46, 71, 79, 121, 142, 158, 242, 253, 506, 781, 869, 1562, 1633, 1738, 1817, 2783, 3266, 3634, 5566, 5609, 8591, 9559, 11218, 17182, 17963, 19118, 19987, 35926, 39974, 61699, 123398, 129007, 197593, 219857, 258014, 395186, 439714, 678689, 1357378, 1419077, 2838154, 15609847, 31219694]

約数ペア:

[(1, 31219694), (2, 15609847), (11, 2838154), (22, 1419077), (23, 1357378), (46, 678689), (71, 439714), (79, 395186), (121, 258014), (142, 219857), (158, 197593), (242, 129007), (253, 123398), (506, 61699), (781, 39974), (869, 35926), (1562, 19987), (1633, 19118), (1738, 17963), (1817, 17182), (2783, 11218), (3266, 9559), (3634, 8591), (5566, 5609)]