257152648

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{253103}}^1$

素因数の和:253236

約数の個数: 16

約数和(自身を含む): 485959680

約数和(自身を除く): 228807032

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 253103, 506206, 1012412, 2024824, 32144081, 64288162, 128576324, 257152648]

約数ペア:

[(1, 257152648), (2, 128576324), (4, 64288162), (8, 32144081), (127, 2024824), (254, 1012412), (508, 506206), (1016, 253103)]