28912210

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{7069}}^1$

素因数の和:7485

約数の個数: 16

約数和(自身を含む): 52176600

約数和(自身を除く): 23264390

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 7069, 14138, 35345, 70690, 2891221, 5782442, 14456105, 28912210]

約数ペア:

[(1, 28912210), (2, 14456105), (5, 5782442), (10, 2891221), (409, 70690), (818, 35345), (2045, 14138), (4090, 7069)]