68486870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1559}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 129392640

約数和(自身を除く): 60905770

約数列:

[1, 2, 5, 10, 23, 46, 115, 191, 230, 382, 955, 1559, 1910, 3118, 4393, 7795, 8786, 15590, 21965, 35857, 43930, 71714, 179285, 297769, 358570, 595538, 1488845, 2977690, 6848687, 13697374, 34243435, 68486870]

約数ペア:

[(1, 68486870), (2, 34243435), (5, 13697374), (10, 6848687), (23, 2977690), (46, 1488845), (115, 595538), (191, 358570), (230, 297769), (382, 179285), (955, 71714), (1559, 43930), (1910, 35857), (3118, 21965), (4393, 15590), (7795, 8786)]