31139888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149711}}^1$

素因数の和:149732

約数の個数: 20

約数和(自身を含む): 64975008

約数和(自身を除く): 33835120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 149711, 299422, 598844, 1197688, 1946243, 2395376, 3892486, 7784972, 15569944, 31139888]

約数ペア:

[(1, 31139888), (2, 15569944), (4, 7784972), (8, 3892486), (13, 2395376), (16, 1946243), (26, 1197688), (52, 598844), (104, 299422), (208, 149711)]