2028978435

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 3813765120

約数和(自身を除く): 1784786685

約数列:

[1, 3, 5, 11, 15, 33, 37, 43, 55, 59, 111, 129, 131, 165, 177, 185, 215, 295, 393, 407, 473, 555, 645, 649, 655, 885, 1221, 1419, 1441, 1591, 1947, 1965, 2035, 2183, 2365, 2537, 3245, 4323, 4773, 4847, 5633, 6105, 6549, 7095, 7205, 7611, 7729, 7955, 9735, 10915, 12685, 14541, 16899, 17501, 21615, 23187, 23865, 24013, 24235, 27907, 28165, 32745, 38055, 38645, 52503, 53317, 61963, 72039, 72705, 83721, 84495, 85019, 87505, 93869, 115935, 120065, 139535, 159951, 185889, 208421, 255057, 262515, 266585, 281607, 285973, 309815, 332347, 360195, 418605, 425095, 469345, 625263, 799755, 857919, 929445, 997041, 1032559, 1042105, 1275285, 1408035, 1429865, 1661735, 2292631, 3097677, 3126315, 3145703, 3655817, 4289595, 4985205, 5162795, 6877893, 9437109, 10967451, 11463155, 12296839, 15488385, 15728515, 18279085, 34389465, 36890517, 47185545, 54837255, 61484195, 135265229, 184452585, 405795687, 676326145, 2028978435]

約数ペア:

[(1, 2028978435), (3, 676326145), (5, 405795687), (11, 184452585), (15, 135265229), (33, 61484195), (37, 54837255), (43, 47185545), (55, 36890517), (59, 34389465), (111, 18279085), (129, 15728515), (131, 15488385), (165, 12296839), (177, 11463155), (185, 10967451), (215, 9437109), (295, 6877893), (393, 5162795), (407, 4985205), (473, 4289595), (555, 3655817), (645, 3145703), (649, 3126315), (655, 3097677), (885, 2292631), (1221, 1661735), (1419, 1429865), (1441, 1408035), (1591, 1275285), (1947, 1042105), (1965, 1032559), (2035, 997041), (2183, 929445), (2365, 857919), (2537, 799755), (3245, 625263), (4323, 469345), (4773, 425095), (4847, 418605), (5633, 360195), (6105, 332347), (6549, 309815), (7095, 285973), (7205, 281607), (7611, 266585), (7729, 262515), (7955, 255057), (9735, 208421), (10915, 185889), (12685, 159951), (14541, 139535), (16899, 120065), (17501, 115935), (21615, 93869), (23187, 87505), (23865, 85019), (24013, 84495), (24235, 83721), (27907, 72705), (28165, 72039), (32745, 61963), (38055, 53317), (38645, 52503)]