12213775

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 17570304

約数和(自身を除く): 5356529

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 983, 1775, 2485, 4915, 6881, 12425, 24575, 34405, 69793, 172025, 348965, 488551, 1744825, 2442755, 12213775]

約数ペア:

[(1, 12213775), (5, 2442755), (7, 1744825), (25, 488551), (35, 348965), (71, 172025), (175, 69793), (355, 34405), (497, 24575), (983, 12425), (1775, 6881), (2485, 4915)]