28974715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 19547525

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 133, 187, 209, 233, 323, 385, 595, 665, 935, 1045, 1165, 1309, 1463, 1615, 1631, 2261, 2563, 3553, 3961, 4427, 6545, 7315, 8155, 11305, 12815, 17765, 17941, 19805, 22135, 24871, 27727, 30989, 43571, 48697, 75259, 89705, 124355, 138635, 154945, 217855, 243485, 304997, 340879, 376295, 526813, 827849, 1524985, 1704395, 2634065, 4139245, 5794943, 28974715]

約数ペア:

[(1, 28974715), (5, 5794943), (7, 4139245), (11, 2634065), (17, 1704395), (19, 1524985), (35, 827849), (55, 526813), (77, 376295), (85, 340879), (95, 304997), (119, 243485), (133, 217855), (187, 154945), (209, 138635), (233, 124355), (323, 89705), (385, 75259), (595, 48697), (665, 43571), (935, 30989), (1045, 27727), (1165, 24871), (1309, 22135), (1463, 19805), (1615, 17941), (1631, 17765), (2261, 12815), (2563, 11305), (3553, 8155), (3961, 7315), (4427, 6545)]