140544145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 204042240

約数和(自身を除く): 63498095

約数列:

[1, 5, 7, 23, 35, 71, 115, 161, 355, 497, 805, 1633, 2459, 2485, 8165, 11431, 12295, 17213, 56557, 57155, 86065, 174589, 282785, 395899, 872945, 1222123, 1979495, 4015547, 6110615, 20077735, 28108829, 140544145]

約数ペア:

[(1, 140544145), (5, 28108829), (7, 20077735), (23, 6110615), (35, 4015547), (71, 1979495), (115, 1222123), (161, 872945), (355, 395899), (497, 282785), (805, 174589), (1633, 86065), (2459, 57155), (2485, 56557), (8165, 17213), (11431, 12295)]