989898195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 1985679360

約数和(自身を除く): 995781165

約数列:

[1, 3, 5, 11, 13, 15, 19, 33, 39, 55, 57, 65, 95, 107, 143, 165, 195, 209, 227, 247, 285, 321, 429, 535, 627, 681, 715, 741, 1045, 1135, 1177, 1235, 1391, 1605, 2033, 2145, 2497, 2717, 2951, 3135, 3405, 3531, 3705, 4173, 4313, 5885, 6099, 6955, 7491, 8151, 8853, 10165, 12485, 12939, 13585, 14755, 15301, 17655, 20865, 21565, 22363, 24289, 26429, 30495, 32461, 37455, 40755, 44265, 45903, 47443, 56069, 64695, 67089, 72867, 76505, 79287, 97383, 111815, 121445, 132145, 142329, 162305, 168207, 229515, 237215, 267179, 280345, 290719, 315757, 335445, 364335, 396435, 461491, 486915, 616759, 711645, 801537, 841035, 872157, 947271, 1335895, 1384473, 1453595, 1578785, 1850277, 2307455, 3083795, 3473327, 4007685, 4360785, 4736355, 5076401, 5999383, 6922365, 9251385, 10419981, 15229203, 17366635, 17998149, 25382005, 29996915, 52099905, 65993213, 76146015, 89990745, 197979639, 329966065, 989898195]

約数ペア:

[(1, 989898195), (3, 329966065), (5, 197979639), (11, 89990745), (13, 76146015), (15, 65993213), (19, 52099905), (33, 29996915), (39, 25382005), (55, 17998149), (57, 17366635), (65, 15229203), (95, 10419981), (107, 9251385), (143, 6922365), (165, 5999383), (195, 5076401), (209, 4736355), (227, 4360785), (247, 4007685), (285, 3473327), (321, 3083795), (429, 2307455), (535, 1850277), (627, 1578785), (681, 1453595), (715, 1384473), (741, 1335895), (1045, 947271), (1135, 872157), (1177, 841035), (1235, 801537), (1391, 711645), (1605, 616759), (2033, 486915), (2145, 461491), (2497, 396435), (2717, 364335), (2951, 335445), (3135, 315757), (3405, 290719), (3531, 280345), (3705, 267179), (4173, 237215), (4313, 229515), (5885, 168207), (6099, 162305), (6955, 142329), (7491, 132145), (8151, 121445), (8853, 111815), (10165, 97383), (12485, 79287), (12939, 76505), (13585, 72867), (14755, 67089), (15301, 64695), (17655, 56069), (20865, 47443), (21565, 45903), (22363, 44265), (24289, 40755), (26429, 37455), (30495, 32461)]