388289198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2861}}^1$

素因数の和:3104

約数の個数: 32

約数和(自身を含む): 659404800

約数和(自身を除く): 271115602

約数列:

[1, 2, 11, 22, 31, 62, 199, 341, 398, 682, 2189, 2861, 4378, 5722, 6169, 12338, 31471, 62942, 67859, 88691, 135718, 177382, 569339, 975601, 1138678, 1951202, 6262729, 12525458, 17649509, 35299018, 194144599, 388289198]

約数ペア:

[(1, 388289198), (2, 194144599), (11, 35299018), (22, 17649509), (31, 12525458), (62, 6262729), (199, 1951202), (341, 1138678), (398, 975601), (682, 569339), (2189, 177382), (2861, 135718), (4378, 88691), (5722, 67859), (6169, 62942), (12338, 31471)]