990897983

素因数分解:

${\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 1043767296

約数和(自身を除く): 52869313

約数列:

[1, 23, 197, 383, 571, 4531, 8809, 13133, 75451, 112487, 218693, 1735373, 2587201, 5029939, 43082521, 990897983]

約数ペア:

[(1, 990897983), (23, 43082521), (197, 5029939), (383, 2587201), (571, 1735373), (4531, 218693), (8809, 112487), (13133, 75451)]