28737515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 35695296

約数和(自身を除く): 6957781

約数列:

[1, 5, 41, 103, 205, 515, 1361, 4223, 6805, 21115, 55801, 140183, 279005, 700915, 5747503, 28737515]

約数ペア:

[(1, 28737515), (5, 5747503), (41, 700915), (103, 279005), (205, 140183), (515, 55801), (1361, 21115), (4223, 6805)]