28138450

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{3253}}^1$

素因数の和:3438

約数の個数: 24

約数和(自身を含む): 52656228

約数和(自身を除く): 24517778

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 3253, 4325, 6506, 8650, 16265, 32530, 81325, 162650, 562769, 1125538, 2813845, 5627690, 14069225, 28138450]

約数ペア:

[(1, 28138450), (2, 14069225), (5, 5627690), (10, 2813845), (25, 1125538), (50, 562769), (173, 162650), (346, 81325), (865, 32530), (1730, 16265), (3253, 8650), (4325, 6506)]