38904845

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 57507840

約数和(自身を除く): 18602995

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 805, 1085, 1559, 3565, 4991, 7795, 10913, 24955, 35857, 48329, 54565, 179285, 241645, 250999, 338303, 1111567, 1254995, 1691515, 5557835, 7780969, 38904845]

約数ペア:

[(1, 38904845), (5, 7780969), (7, 5557835), (23, 1691515), (31, 1254995), (35, 1111567), (115, 338303), (155, 250999), (161, 241645), (217, 179285), (713, 54565), (805, 48329), (1085, 35857), (1559, 24955), (3565, 10913), (4991, 7795)]