1993799681290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2240224361}}^1$

素因数の和:2240224457

約数の個数: 16

約数和(自身を含む): 3629163466440

約数和(自身を除く): 1635363785150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2240224361, 4480448722, 11201121805, 22402243610, 199379968129, 398759936258, 996899840645, 1993799681290]

約数ペア:

[(1, 1993799681290), (2, 996899840645), (5, 398759936258), (10, 199379968129), (89, 22402243610), (178, 11201121805), (445, 4480448722), (890, 2240224361)]