1277305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 1658880

約数和(自身を除く): 381575

約数列:

[1, 5, 23, 29, 115, 145, 383, 667, 1915, 3335, 8809, 11107, 44045, 55535, 255461, 1277305]

約数ペア:

[(1, 1277305), (5, 255461), (23, 55535), (29, 44045), (115, 11107), (145, 8809), (383, 3335), (667, 1915)]