398314638

素因数分解:

$2^1\times 3^3\times {\mathrm{383}}^1\times {\mathrm{19259}}^1$

素因数の和:19653

約数の個数: 32

約数和(自身を含む): 887500800

約数和(自身を除く): 489186162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 383, 766, 1149, 2298, 3447, 6894, 10341, 19259, 20682, 38518, 57777, 115554, 173331, 346662, 519993, 1039986, 7376197, 14752394, 22128591, 44257182, 66385773, 132771546, 199157319, 398314638]

約数ペア:

[(1, 398314638), (2, 199157319), (3, 132771546), (6, 66385773), (9, 44257182), (18, 22128591), (27, 14752394), (54, 7376197), (383, 1039986), (766, 519993), (1149, 346662), (2298, 173331), (3447, 115554), (6894, 57777), (10341, 38518), (19259, 20682)]