28405370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9437}}^1$

素因数の和:9494

約数の個数: 32

約数和(自身を含む): 59799168

約数和(自身を除く): 31393798

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 9437, 18874, 47185, 66059, 94370, 132118, 330295, 405791, 660590, 811582, 2028955, 2840537, 4057910, 5681074, 14202685, 28405370]

約数ペア:

[(1, 28405370), (2, 14202685), (5, 5681074), (7, 4057910), (10, 2840537), (14, 2028955), (35, 811582), (43, 660590), (70, 405791), (86, 330295), (215, 132118), (301, 94370), (430, 66059), (602, 47185), (1505, 18874), (3010, 9437)]