281556635

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 369375552

約数和(自身を除く): 87818917

約数列:

[1, 5, 17, 41, 85, 173, 205, 467, 697, 865, 2335, 2941, 3485, 7093, 7939, 14705, 19147, 35465, 39695, 80791, 95735, 120581, 325499, 403955, 602905, 1373447, 1627495, 3312431, 6867235, 16562155, 56311327, 281556635]

約数ペア:

[(1, 281556635), (5, 56311327), (17, 16562155), (41, 6867235), (85, 3312431), (173, 1627495), (205, 1373447), (467, 602905), (697, 403955), (865, 325499), (2335, 120581), (2941, 95735), (3485, 80791), (7093, 39695), (7939, 35465), (14705, 19147)]