28171116

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1217}}^1$

素因数の和:1870

約数の個数: 36

約数和(自身を含む): 71379672

約数和(自身を除く): 43208556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1217, 1286, 1929, 2434, 2572, 3651, 3858, 4868, 5787, 7302, 7716, 10953, 11574, 14604, 21906, 23148, 43812, 782531, 1565062, 2347593, 3130124, 4695186, 7042779, 9390372, 14085558, 28171116]

約数ペア:

[(1, 28171116), (2, 14085558), (3, 9390372), (4, 7042779), (6, 4695186), (9, 3130124), (12, 2347593), (18, 1565062), (36, 782531), (643, 43812), (1217, 23148), (1286, 21906), (1929, 14604), (2434, 11574), (2572, 10953), (3651, 7716), (3858, 7302), (4868, 5787)]