28066158

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21961}}^1$

素因数の和:22040

約数の個数: 24

約数和(自身を含む): 61669296

約数和(自身を除く): 33603138

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 21961, 43922, 65883, 131766, 197649, 395298, 1559231, 3118462, 4677693, 9355386, 14033079, 28066158]

約数ペア:

[(1, 28066158), (2, 14033079), (3, 9355386), (6, 4677693), (9, 3118462), (18, 1559231), (71, 395298), (142, 197649), (213, 131766), (426, 65883), (639, 43922), (1278, 21961)]