221259636

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 642096000

約数和(自身を除く): 420836364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 149, 156, 167, 171, 228, 234, 247, 298, 334, 342, 447, 468, 494, 501, 596, 668, 684, 741, 894, 988, 1002, 1341, 1482, 1503, 1788, 1937, 2004, 2171, 2223, 2682, 2831, 2964, 3006, 3173, 3874, 4342, 4446, 5364, 5662, 5811, 6012, 6346, 6513, 7748, 8493, 8684, 8892, 9519, 11324, 11622, 12692, 13026, 16986, 17433, 19038, 19539, 23244, 24883, 25479, 26052, 28557, 33972, 34866, 36803, 38076, 39078, 41249, 49766, 50958, 57114, 69732, 73606, 74649, 78156, 82498, 99532, 101916, 110409, 114228, 123747, 147212, 149298, 164996, 220818, 223947, 247494, 298596, 323479, 331227, 371241, 441636, 447894, 472777, 494988, 646958, 662454, 742482, 895788, 945554, 970437, 1293916, 1324908, 1418331, 1484964, 1891108, 1940874, 2836662, 2911311, 3881748, 4254993, 5673324, 5822622, 6146101, 8509986, 11645244, 12292202, 17019972, 18438303, 24584404, 36876606, 55314909, 73753212, 110629818, 221259636]

約数ペア:

[(1, 221259636), (2, 110629818), (3, 73753212), (4, 55314909), (6, 36876606), (9, 24584404), (12, 18438303), (13, 17019972), (18, 12292202), (19, 11645244), (26, 8509986), (36, 6146101), (38, 5822622), (39, 5673324), (52, 4254993), (57, 3881748), (76, 2911311), (78, 2836662), (114, 1940874), (117, 1891108), (149, 1484964), (156, 1418331), (167, 1324908), (171, 1293916), (228, 970437), (234, 945554), (247, 895788), (298, 742482), (334, 662454), (342, 646958), (447, 494988), (468, 472777), (494, 447894), (501, 441636), (596, 371241), (668, 331227), (684, 323479), (741, 298596), (894, 247494), (988, 223947), (1002, 220818), (1341, 164996), (1482, 149298), (1503, 147212), (1788, 123747), (1937, 114228), (2004, 110409), (2171, 101916), (2223, 99532), (2682, 82498), (2831, 78156), (2964, 74649), (3006, 73606), (3173, 69732), (3874, 57114), (4342, 50958), (4446, 49766), (5364, 41249), (5662, 39078), (5811, 38076), (6012, 36803), (6346, 34866), (6513, 33972), (7748, 28557), (8493, 26052), (8684, 25479), (8892, 24883), (9519, 23244), (11324, 19539), (11622, 19038), (12692, 17433), (13026, 16986)]