31431928

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 68229000

約数和(自身を除く): 36797072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1672, 1709, 2299, 3418, 4598, 6836, 9196, 13672, 18392, 18799, 32471, 37598, 64942, 75196, 129884, 150392, 206789, 259768, 357181, 413578, 714362, 827156, 1428724, 1654312, 2857448, 3928991, 7857982, 15715964, 31431928]

約数ペア:

[(1, 31431928), (2, 15715964), (4, 7857982), (8, 3928991), (11, 2857448), (19, 1654312), (22, 1428724), (38, 827156), (44, 714362), (76, 413578), (88, 357181), (121, 259768), (152, 206789), (209, 150392), (242, 129884), (418, 75196), (484, 64942), (836, 37598), (968, 32471), (1672, 18799), (1709, 18392), (2299, 13672), (3418, 9196), (4598, 6836)]