388289392

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{222643}}^1$

素因数の和:222760

約数の個数: 20

約数和(自身を含む): 759216040

約数和(自身を除く): 370926648

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 222643, 445286, 890572, 1781144, 3562288, 24268087, 48536174, 97072348, 194144696, 388289392]

約数ペア:

[(1, 388289392), (2, 194144696), (4, 97072348), (8, 48536174), (16, 24268087), (109, 3562288), (218, 1781144), (436, 890572), (872, 445286), (1744, 222643)]