388593616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{1987}}^1$

素因数の和:2731

約数の個数: 40

約数和(自身を含む): 798698880

約数和(自身を除く): 410105264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 719, 1438, 1987, 2876, 3974, 5752, 7948, 11504, 12223, 15896, 24446, 31792, 33779, 48892, 67558, 97784, 135116, 195568, 270232, 540464, 1428653, 2857306, 5714612, 11429224, 22858448, 24287101, 48574202, 97148404, 194296808, 388593616]

約数ペア:

[(1, 388593616), (2, 194296808), (4, 97148404), (8, 48574202), (16, 24287101), (17, 22858448), (34, 11429224), (68, 5714612), (136, 2857306), (272, 1428653), (719, 540464), (1438, 270232), (1987, 195568), (2876, 135116), (3974, 97784), (5752, 67558), (7948, 48892), (11504, 33779), (12223, 31792), (15896, 24446)]