490145309

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 554250240

約数和(自身を除く): 64104931

約数列:

[1, 17, 31, 61, 79, 193, 527, 1037, 1343, 1891, 2449, 3281, 4819, 5983, 11773, 15247, 32147, 41633, 81923, 101711, 149389, 200141, 259199, 364963, 472657, 930067, 2539613, 6204371, 8035169, 15811139, 28832077, 490145309]

約数ペア:

[(1, 490145309), (17, 28832077), (31, 15811139), (61, 8035169), (79, 6204371), (193, 2539613), (527, 930067), (1037, 472657), (1343, 364963), (1891, 259199), (2449, 200141), (3281, 149389), (4819, 101711), (5983, 81923), (11773, 41633), (15247, 32147)]