12947825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 17677440

約数和(自身を除く): 4729615

約数列:

[1, 5, 11, 25, 55, 197, 239, 275, 985, 1195, 2167, 2629, 4925, 5975, 10835, 13145, 47083, 54175, 65725, 235415, 517913, 1177075, 2589565, 12947825]

約数ペア:

[(1, 12947825), (5, 2589565), (11, 1177075), (25, 517913), (55, 235415), (197, 65725), (239, 54175), (275, 47083), (985, 13145), (1195, 10835), (2167, 5975), (2629, 4925)]