28729435

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 40424400

約数和(自身を除く): 11694965

約数列:

[1, 5, 7, 35, 49, 149, 245, 745, 787, 1043, 3935, 5215, 5509, 7301, 27545, 36505, 38563, 117263, 192815, 586315, 820841, 4104205, 5745887, 28729435]

約数ペア:

[(1, 28729435), (5, 5745887), (7, 4104205), (35, 820841), (49, 586315), (149, 192815), (245, 117263), (745, 38563), (787, 36505), (1043, 27545), (3935, 7301), (5215, 5509)]