647528648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1847}}^1\times {\mathrm{3371}}^1$

素因数の和:5237

約数の個数: 32

約数和(自身を含む): 1308605760

約数和(自身を除く): 661077112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1847, 3371, 3694, 6742, 7388, 13484, 14776, 24011, 26968, 43823, 48022, 87646, 96044, 175292, 192088, 350584, 6226237, 12452474, 24904948, 49809896, 80941081, 161882162, 323764324, 647528648]

約数ペア:

[(1, 647528648), (2, 323764324), (4, 161882162), (8, 80941081), (13, 49809896), (26, 24904948), (52, 12452474), (104, 6226237), (1847, 350584), (3371, 192088), (3694, 175292), (6742, 96044), (7388, 87646), (13484, 48022), (14776, 43823), (24011, 26968)]