408674136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 1134302400

約数和(自身を除く): 725628264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 109, 122, 156, 183, 197, 218, 244, 312, 327, 366, 394, 436, 488, 591, 654, 732, 788, 793, 872, 1182, 1308, 1417, 1464, 1576, 1586, 2364, 2379, 2561, 2616, 2834, 3172, 4251, 4728, 4758, 5122, 5668, 6344, 6649, 7683, 8502, 9516, 10244, 11336, 12017, 13298, 15366, 17004, 19032, 19947, 20488, 21473, 24034, 26596, 30732, 34008, 36051, 39894, 42946, 48068, 53192, 61464, 64419, 72102, 79788, 85892, 86437, 96136, 128838, 144204, 156221, 159576, 171784, 172874, 257676, 259311, 279149, 288408, 312442, 345748, 468663, 515352, 518622, 558298, 624884, 691496, 837447, 937326, 1037244, 1116596, 1249768, 1309853, 1674894, 1874652, 2074488, 2233192, 2619706, 3349788, 3749304, 3929559, 5239412, 6699576, 7859118, 10478824, 15718236, 17028089, 31436472, 34056178, 51084267, 68112356, 102168534, 136224712, 204337068, 408674136]

約数ペア:

[(1, 408674136), (2, 204337068), (3, 136224712), (4, 102168534), (6, 68112356), (8, 51084267), (12, 34056178), (13, 31436472), (24, 17028089), (26, 15718236), (39, 10478824), (52, 7859118), (61, 6699576), (78, 5239412), (104, 3929559), (109, 3749304), (122, 3349788), (156, 2619706), (183, 2233192), (197, 2074488), (218, 1874652), (244, 1674894), (312, 1309853), (327, 1249768), (366, 1116596), (394, 1037244), (436, 937326), (488, 837447), (591, 691496), (654, 624884), (732, 558298), (788, 518622), (793, 515352), (872, 468663), (1182, 345748), (1308, 312442), (1417, 288408), (1464, 279149), (1576, 259311), (1586, 257676), (2364, 172874), (2379, 171784), (2561, 159576), (2616, 156221), (2834, 144204), (3172, 128838), (4251, 96136), (4728, 86437), (4758, 85892), (5122, 79788), (5668, 72102), (6344, 64419), (6649, 61464), (7683, 53192), (8502, 48068), (9516, 42946), (10244, 39894), (11336, 36051), (12017, 34008), (13298, 30732), (15366, 26596), (17004, 24034), (19032, 21473), (19947, 20488)]