42570215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 52509600

約数和(自身を除く): 9939385

約数列:

[1, 5, 43, 215, 389, 509, 1945, 2545, 16727, 21887, 83635, 109435, 198001, 990005, 8514043, 42570215]

約数ペア:

[(1, 42570215), (5, 8514043), (43, 990005), (215, 198001), (389, 109435), (509, 83635), (1945, 21887), (2545, 16727)]