16539215

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 28145232

約数和(自身を除く): 11606017

約数列:

[1, 5, 7, 11, 17, 19, 35, 49, 55, 77, 85, 95, 119, 133, 187, 209, 245, 323, 361, 385, 539, 595, 665, 833, 931, 935, 1045, 1309, 1463, 1615, 1805, 2261, 2527, 2695, 3553, 3971, 4165, 4655, 6137, 6545, 7315, 9163, 10241, 11305, 12635, 15827, 17689, 17765, 19855, 24871, 27797, 30685, 42959, 45815, 51205, 67507, 79135, 88445, 124355, 138985, 174097, 194579, 214795, 300713, 337535, 472549, 870485, 972895, 1503565, 2362745, 3307843, 16539215]

約数ペア:

[(1, 16539215), (5, 3307843), (7, 2362745), (11, 1503565), (17, 972895), (19, 870485), (35, 472549), (49, 337535), (55, 300713), (77, 214795), (85, 194579), (95, 174097), (119, 138985), (133, 124355), (187, 88445), (209, 79135), (245, 67507), (323, 51205), (361, 45815), (385, 42959), (539, 30685), (595, 27797), (665, 24871), (833, 19855), (931, 17765), (935, 17689), (1045, 15827), (1309, 12635), (1463, 11305), (1615, 10241), (1805, 9163), (2261, 7315), (2527, 6545), (2695, 6137), (3553, 4655), (3971, 4165)]