28657365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 24530475

約数列:

[1, 3, 5, 11, 15, 29, 33, 53, 55, 87, 113, 145, 159, 165, 265, 319, 339, 435, 565, 583, 795, 957, 1243, 1537, 1595, 1695, 1749, 2915, 3277, 3729, 4611, 4785, 5989, 6215, 7685, 8745, 9831, 16385, 16907, 17967, 18645, 23055, 29945, 36047, 49155, 50721, 65879, 84535, 89835, 108141, 173681, 180235, 197637, 253605, 329395, 521043, 540705, 868405, 988185, 1910491, 2605215, 5731473, 9552455, 28657365]

約数ペア:

[(1, 28657365), (3, 9552455), (5, 5731473), (11, 2605215), (15, 1910491), (29, 988185), (33, 868405), (53, 540705), (55, 521043), (87, 329395), (113, 253605), (145, 197637), (159, 180235), (165, 173681), (265, 108141), (319, 89835), (339, 84535), (435, 65879), (565, 50721), (583, 49155), (795, 36047), (957, 29945), (1243, 23055), (1537, 18645), (1595, 17967), (1695, 16907), (1749, 16385), (2915, 9831), (3277, 8745), (3729, 7685), (4611, 6215), (4785, 5989)]