28949975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 37713360

約数和(自身を除く): 8763385

約数列:

[1, 5, 25, 29, 73, 145, 365, 547, 725, 1825, 2117, 2735, 10585, 13675, 15863, 39931, 52925, 79315, 199655, 396575, 998275, 1157999, 5789995, 28949975]

約数ペア:

[(1, 28949975), (5, 5789995), (25, 1157999), (29, 998275), (73, 396575), (145, 199655), (365, 79315), (547, 52925), (725, 39931), (1825, 15863), (2117, 13675), (2735, 10585)]