28960085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 18317995

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 77, 95, 107, 133, 185, 209, 259, 385, 407, 535, 665, 703, 749, 1045, 1177, 1295, 1463, 2033, 2035, 2849, 3515, 3745, 3959, 4921, 5885, 7315, 7733, 8239, 10165, 14231, 14245, 19795, 22363, 24605, 27713, 38665, 41195, 43549, 54131, 71155, 75221, 111815, 138565, 156541, 217745, 270655, 304843, 376105, 526547, 782705, 827431, 1524215, 2632735, 4137155, 5792017, 28960085]

約数ペア:

[(1, 28960085), (5, 5792017), (7, 4137155), (11, 2632735), (19, 1524215), (35, 827431), (37, 782705), (55, 526547), (77, 376105), (95, 304843), (107, 270655), (133, 217745), (185, 156541), (209, 138565), (259, 111815), (385, 75221), (407, 71155), (535, 54131), (665, 43549), (703, 41195), (749, 38665), (1045, 27713), (1177, 24605), (1295, 22363), (1463, 19795), (2033, 14245), (2035, 14231), (2849, 10165), (3515, 8239), (3745, 7733), (3959, 7315), (4921, 5885)]