394287858

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{28411}}^1$

素因数の和:28679

約数の個数: 32

約数和(自身を含む): 879635520

約数和(自身を除く): 485347662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2313, 4626, 6939, 13878, 28411, 56822, 85233, 170466, 255699, 511398, 767097, 1534194, 7301627, 14603254, 21904881, 43809762, 65714643, 131429286, 197143929, 394287858]

約数ペア:

[(1, 394287858), (2, 197143929), (3, 131429286), (6, 65714643), (9, 43809762), (18, 21904881), (27, 14603254), (54, 7301627), (257, 1534194), (514, 767097), (771, 511398), (1542, 255699), (2313, 170466), (4626, 85233), (6939, 56822), (13878, 28411)]