1286005

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1867320

約数和(自身を除く): 581315

約数列:

[1, 5, 7, 29, 35, 49, 145, 181, 203, 245, 905, 1015, 1267, 1421, 5249, 6335, 7105, 8869, 26245, 36743, 44345, 183715, 257201, 1286005]

約数ペア:

[(1, 1286005), (5, 257201), (7, 183715), (29, 44345), (35, 36743), (49, 26245), (145, 8869), (181, 7105), (203, 6335), (245, 5249), (905, 1421), (1015, 1267)]