28285974

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{22133}}^1$

素因数の和:22212

約数の個数: 24

約数和(自身を含む): 62152272

約数和(自身を除く): 33866298

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 22133, 44266, 66399, 132798, 199197, 398394, 1571443, 3142886, 4714329, 9428658, 14142987, 28285974]

約数ペア:

[(1, 28285974), (2, 14142987), (3, 9428658), (6, 4714329), (9, 3142886), (18, 1571443), (71, 398394), (142, 199197), (213, 132798), (426, 66399), (639, 44266), (1278, 22133)]