381491915

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 569327616

約数和(自身を除く): 187835701

約数列:

[1, 5, 7, 23, 35, 43, 103, 107, 115, 161, 215, 301, 515, 535, 721, 749, 805, 989, 1505, 2369, 2461, 3605, 3745, 4429, 4601, 4945, 6923, 11021, 11845, 12305, 16583, 17227, 22145, 23005, 31003, 32207, 34615, 55105, 77147, 82915, 86135, 101867, 105823, 155015, 161035, 253483, 385735, 473903, 509335, 529115, 713069, 740761, 1267415, 1774381, 2369515, 3317321, 3565345, 3703805, 8871905, 10899769, 16586605, 54498845, 76298383, 381491915]

約数ペア:

[(1, 381491915), (5, 76298383), (7, 54498845), (23, 16586605), (35, 10899769), (43, 8871905), (103, 3703805), (107, 3565345), (115, 3317321), (161, 2369515), (215, 1774381), (301, 1267415), (515, 740761), (535, 713069), (721, 529115), (749, 509335), (805, 473903), (989, 385735), (1505, 253483), (2369, 161035), (2461, 155015), (3605, 105823), (3745, 101867), (4429, 86135), (4601, 82915), (4945, 77147), (6923, 55105), (11021, 34615), (11845, 32207), (12305, 31003), (16583, 23005), (17227, 22145)]