28710145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 35802000

約数和(自身を除く): 7091855

約数列:

[1, 5, 29, 145, 389, 509, 1945, 2545, 11281, 14761, 56405, 73805, 198001, 990005, 5742029, 28710145]

約数ペア:

[(1, 28710145), (5, 5742029), (29, 990005), (145, 198001), (389, 73805), (509, 56405), (1945, 14761), (2545, 11281)]