157216213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 202954752

約数和(自身を除く): 45738539

約数列:

[1, 7, 11, 43, 77, 103, 301, 461, 473, 721, 1133, 3227, 3311, 4429, 5071, 7931, 19823, 31003, 35497, 47483, 48719, 138761, 218053, 332381, 341033, 522313, 1526371, 2041769, 3656191, 14292383, 22459459, 157216213]

約数ペア:

[(1, 157216213), (7, 22459459), (11, 14292383), (43, 3656191), (77, 2041769), (103, 1526371), (301, 522313), (461, 341033), (473, 332381), (721, 218053), (1133, 138761), (3227, 48719), (3311, 47483), (4429, 35497), (5071, 31003), (7931, 19823)]