31538892008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1607}}^1\times {\mathrm{188711}}^1$

素因数の和:190337

約数の個数: 32

約数和(自身を含む): 63724268160

約数和(自身を除く): 32185376152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1607, 3214, 6428, 12856, 20891, 41782, 83564, 167128, 188711, 377422, 754844, 1509688, 2453243, 4906486, 9812972, 19625944, 303258577, 606517154, 1213034308, 2426068616, 3942361501, 7884723002, 15769446004, 31538892008]

約数ペア:

[(1, 31538892008), (2, 15769446004), (4, 7884723002), (8, 3942361501), (13, 2426068616), (26, 1213034308), (52, 606517154), (104, 303258577), (1607, 19625944), (3214, 9812972), (6428, 4906486), (12856, 2453243), (20891, 1509688), (41782, 754844), (83564, 377422), (167128, 188711)]