13478135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 5149705

約数列:

[1, 5, 11, 41, 43, 55, 139, 205, 215, 451, 473, 695, 1529, 1763, 2255, 2365, 5699, 5977, 7645, 8815, 19393, 28495, 29885, 62689, 65747, 96965, 245057, 313445, 328735, 1225285, 2695627, 13478135]

約数ペア:

[(1, 13478135), (5, 2695627), (11, 1225285), (41, 328735), (43, 313445), (55, 245057), (139, 96965), (205, 65747), (215, 62689), (451, 29885), (473, 28495), (695, 19393), (1529, 8815), (1763, 7645), (2255, 5977), (2365, 5699)]