399533742

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{28789}}^1$

素因数の和:29057

約数の個数: 32

約数和(自身を含む): 891338400

約数和(自身を除く): 491804658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2313, 4626, 6939, 13878, 28789, 57578, 86367, 172734, 259101, 518202, 777303, 1554606, 7398773, 14797546, 22196319, 44392638, 66588957, 133177914, 199766871, 399533742]

約数ペア:

[(1, 399533742), (2, 199766871), (3, 133177914), (6, 66588957), (9, 44392638), (18, 22196319), (27, 14797546), (54, 7398773), (257, 1554606), (514, 777303), (771, 518202), (1542, 259101), (2313, 172734), (4626, 86367), (6939, 57578), (13878, 28789)]