28273194

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{22123}}^1$

素因数の和:22202

約数の個数: 24

約数和(自身を含む): 62124192

約数和(自身を除く): 33850998

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 22123, 44246, 66369, 132738, 199107, 398214, 1570733, 3141466, 4712199, 9424398, 14136597, 28273194]

約数ペア:

[(1, 28273194), (2, 14136597), (3, 9424398), (6, 4712199), (9, 3141466), (18, 1570733), (71, 398214), (142, 199107), (213, 132738), (426, 66369), (639, 44246), (1278, 22123)]