28657450

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{3313}}^1$

素因数の和:3498

約数の個数: 24

約数和(自身を含む): 53627148

約数和(自身を除く): 24969698

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 3313, 4325, 6626, 8650, 16565, 33130, 82825, 165650, 573149, 1146298, 2865745, 5731490, 14328725, 28657450]

約数ペア:

[(1, 28657450), (2, 14328725), (5, 5731490), (10, 2865745), (25, 1146298), (50, 573149), (173, 165650), (346, 82825), (865, 33130), (1730, 16565), (3313, 8650), (4325, 6626)]