28844585

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 15843415

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 139, 245, 343, 385, 539, 605, 695, 847, 973, 1529, 1715, 2695, 3773, 4235, 4865, 5929, 6811, 7645, 10703, 16819, 18865, 29645, 34055, 41503, 47677, 53515, 74921, 84095, 117733, 207515, 238385, 374605, 524447, 588665, 824131, 2622235, 4120655, 5768917, 28844585]

約数ペア:

[(1, 28844585), (5, 5768917), (7, 4120655), (11, 2622235), (35, 824131), (49, 588665), (55, 524447), (77, 374605), (121, 238385), (139, 207515), (245, 117733), (343, 84095), (385, 74921), (539, 53515), (605, 47677), (695, 41503), (847, 34055), (973, 29645), (1529, 18865), (1715, 16819), (2695, 10703), (3773, 7645), (4235, 6811), (4865, 5929)]