31681798

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2689}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 49001040

約数和(自身を除く): 17319242

約数列:

[1, 2, 43, 86, 137, 274, 2689, 5378, 5891, 11782, 115627, 231254, 368393, 736786, 15840899, 31681798]

約数ペア:

[(1, 31681798), (2, 15840899), (43, 736786), (86, 368393), (137, 231254), (274, 115627), (2689, 11782), (5378, 5891)]