66390778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{5381}}^1$

素因数の和:5613

約数の個数: 16

約数和(自身を含む): 103334400

約数和(自身を除く): 36943622

約数列:

[1, 2, 31, 62, 199, 398, 5381, 6169, 10762, 12338, 166811, 333622, 1070819, 2141638, 33195389, 66390778]

約数ペア:

[(1, 66390778), (2, 33195389), (31, 2141638), (62, 1070819), (199, 333622), (398, 166811), (5381, 12338), (6169, 10762)]