721587268

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{1249}}^1\times {\mathrm{1489}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 1277675000

約数和(自身を除く): 556087732

約数列:

[1, 2, 4, 97, 194, 388, 1249, 1489, 2498, 2978, 4996, 5956, 121153, 144433, 242306, 288866, 484612, 577732, 1859761, 3719522, 7439044, 180396817, 360793634, 721587268]

約数ペア:

[(1, 721587268), (2, 360793634), (4, 180396817), (97, 7439044), (194, 3719522), (388, 1859761), (1249, 577732), (1489, 484612), (2498, 288866), (2978, 242306), (4996, 144433), (5956, 121153)]