28887222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 71737344

約数和(自身を除く): 42850122

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 191, 273, 277, 382, 546, 554, 573, 831, 1146, 1337, 1662, 1939, 2483, 2674, 3601, 3878, 4011, 4966, 5817, 7202, 7449, 8022, 10803, 11634, 14898, 17381, 21606, 25207, 34762, 50414, 52143, 52907, 75621, 104286, 105814, 151242, 158721, 317442, 370349, 687791, 740698, 1111047, 1375582, 2063373, 2222094, 4126746, 4814537, 9629074, 14443611, 28887222]

約数ペア:

[(1, 28887222), (2, 14443611), (3, 9629074), (6, 4814537), (7, 4126746), (13, 2222094), (14, 2063373), (21, 1375582), (26, 1111047), (39, 740698), (42, 687791), (78, 370349), (91, 317442), (182, 158721), (191, 151242), (273, 105814), (277, 104286), (382, 75621), (546, 52907), (554, 52143), (573, 50414), (831, 34762), (1146, 25207), (1337, 21606), (1662, 17381), (1939, 14898), (2483, 11634), (2674, 10803), (3601, 8022), (3878, 7449), (4011, 7202), (4966, 5817)]