28218792

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 86169600

約数和(自身を除く): 57950808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 67, 69, 84, 92, 109, 134, 138, 161, 168, 184, 201, 218, 268, 276, 322, 327, 402, 436, 469, 483, 536, 552, 644, 654, 763, 804, 872, 938, 966, 1288, 1308, 1407, 1526, 1541, 1608, 1876, 1932, 2289, 2507, 2616, 2814, 3052, 3082, 3752, 3864, 4578, 4623, 5014, 5628, 6104, 6164, 7303, 7521, 9156, 9246, 10028, 10787, 11256, 12328, 14606, 15042, 17549, 18312, 18492, 20056, 21574, 21909, 29212, 30084, 32361, 35098, 36984, 43148, 43818, 51121, 52647, 58424, 60168, 64722, 70196, 86296, 87636, 102242, 105294, 129444, 140392, 153363, 167969, 175272, 204484, 210588, 258888, 306726, 335938, 408968, 421176, 503907, 613452, 671876, 1007814, 1175783, 1226904, 1343752, 2015628, 2351566, 3527349, 4031256, 4703132, 7054698, 9406264, 14109396, 28218792]

約数ペア:

[(1, 28218792), (2, 14109396), (3, 9406264), (4, 7054698), (6, 4703132), (7, 4031256), (8, 3527349), (12, 2351566), (14, 2015628), (21, 1343752), (23, 1226904), (24, 1175783), (28, 1007814), (42, 671876), (46, 613452), (56, 503907), (67, 421176), (69, 408968), (84, 335938), (92, 306726), (109, 258888), (134, 210588), (138, 204484), (161, 175272), (168, 167969), (184, 153363), (201, 140392), (218, 129444), (268, 105294), (276, 102242), (322, 87636), (327, 86296), (402, 70196), (436, 64722), (469, 60168), (483, 58424), (536, 52647), (552, 51121), (644, 43818), (654, 43148), (763, 36984), (804, 35098), (872, 32361), (938, 30084), (966, 29212), (1288, 21909), (1308, 21574), (1407, 20056), (1526, 18492), (1541, 18312), (1608, 17549), (1876, 15042), (1932, 14606), (2289, 12328), (2507, 11256), (2616, 10787), (2814, 10028), (3052, 9246), (3082, 9156), (3752, 7521), (3864, 7303), (4578, 6164), (4623, 6104), (5014, 5628)]