8221430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 17015616

約数和(自身を除く): 8794186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 457, 514, 914, 1285, 1799, 2285, 2570, 3199, 3598, 4570, 6398, 8995, 15995, 17990, 31990, 117449, 234898, 587245, 822143, 1174490, 1644286, 4110715, 8221430]

約数ペア:

[(1, 8221430), (2, 4110715), (5, 1644286), (7, 1174490), (10, 822143), (14, 587245), (35, 234898), (70, 117449), (257, 31990), (457, 17990), (514, 15995), (914, 8995), (1285, 6398), (1799, 4570), (2285, 3598), (2570, 3199)]