2155118845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1913}}^1\times {\mathrm{20483}}^1$

素因数の和:22412

約数の個数: 16

約数和(自身を含む): 2822859072

約数和(自身を除く): 667740227

約数列:

[1, 5, 11, 55, 1913, 9565, 20483, 21043, 102415, 105215, 225313, 1126565, 39183979, 195919895, 431023769, 2155118845]

約数ペア:

[(1, 2155118845), (5, 431023769), (11, 195919895), (55, 39183979), (1913, 1126565), (9565, 225313), (20483, 105215), (21043, 102415)]