31897219

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 36864560

約数和(自身を除く): 4967341

約数列:

[1, 17, 19, 37, 157, 289, 323, 629, 703, 2669, 2983, 5491, 5809, 10693, 11951, 45373, 50711, 98753, 110371, 203167, 862087, 1678801, 1876307, 31897219]

約数ペア:

[(1, 31897219), (17, 1876307), (19, 1678801), (37, 862087), (157, 203167), (289, 110371), (323, 98753), (629, 50711), (703, 45373), (2669, 11951), (2983, 10693), (5491, 5809)]