277284025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15913}}^1$

素因数の和:15981

約数の個数: 24

約数和(自身を含む): 372960504

約数和(自身を除く): 95676479

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 3485, 15913, 17425, 79565, 270521, 397825, 652433, 1352605, 3262165, 6763025, 11091361, 16310825, 55456805, 277284025]

約数ペア:

[(1, 277284025), (5, 55456805), (17, 16310825), (25, 11091361), (41, 6763025), (85, 3262165), (205, 1352605), (425, 652433), (697, 397825), (1025, 270521), (3485, 79565), (15913, 17425)]