13979515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 19616256

約数和(自身を除く): 5636741

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 257, 473, 989, 1265, 1285, 2365, 2827, 4945, 5911, 10879, 11051, 14135, 29555, 54395, 55255, 65021, 121561, 254173, 325105, 607805, 1270865, 2795903, 13979515]

約数ペア:

[(1, 13979515), (5, 2795903), (11, 1270865), (23, 607805), (43, 325105), (55, 254173), (115, 121561), (215, 65021), (253, 55255), (257, 54395), (473, 29555), (989, 14135), (1265, 11051), (1285, 10879), (2365, 5911), (2827, 4945)]