2051264985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 4337418240

約数和(自身を除く): 2286153255

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 133, 165, 209, 211, 231, 285, 385, 399, 443, 627, 633, 665, 1045, 1055, 1155, 1329, 1463, 1477, 1995, 2215, 2321, 3101, 3135, 3165, 4009, 4389, 4431, 4873, 6645, 6963, 7315, 7385, 8417, 9303, 11605, 12027, 14619, 15505, 16247, 20045, 21945, 22155, 24365, 25251, 28063, 34111, 34815, 42085, 44099, 46515, 48741, 58919, 60135, 73095, 81235, 84189, 92587, 93473, 102333, 126255, 132297, 140315, 170555, 176757, 220495, 243705, 277761, 280419, 294595, 308693, 420945, 462935, 467365, 511665, 648109, 654311, 661485, 883785, 926079, 1028203, 1388805, 1402095, 1543465, 1775987, 1944327, 1962933, 3084609, 3240545, 3271555, 4630395, 5141015, 5327961, 7197421, 8879935, 9721635, 9814665, 12431909, 15423045, 19535857, 21592263, 26639805, 35987105, 37295727, 58607571, 62159545, 97679285, 107961315, 136750999, 186478635, 293037855, 410252997, 683754995, 2051264985]

約数ペア:

[(1, 2051264985), (3, 683754995), (5, 410252997), (7, 293037855), (11, 186478635), (15, 136750999), (19, 107961315), (21, 97679285), (33, 62159545), (35, 58607571), (55, 37295727), (57, 35987105), (77, 26639805), (95, 21592263), (105, 19535857), (133, 15423045), (165, 12431909), (209, 9814665), (211, 9721635), (231, 8879935), (285, 7197421), (385, 5327961), (399, 5141015), (443, 4630395), (627, 3271555), (633, 3240545), (665, 3084609), (1045, 1962933), (1055, 1944327), (1155, 1775987), (1329, 1543465), (1463, 1402095), (1477, 1388805), (1995, 1028203), (2215, 926079), (2321, 883785), (3101, 661485), (3135, 654311), (3165, 648109), (4009, 511665), (4389, 467365), (4431, 462935), (4873, 420945), (6645, 308693), (6963, 294595), (7315, 280419), (7385, 277761), (8417, 243705), (9303, 220495), (11605, 176757), (12027, 170555), (14619, 140315), (15505, 132297), (16247, 126255), (20045, 102333), (21945, 93473), (22155, 92587), (24365, 84189), (25251, 81235), (28063, 73095), (34111, 60135), (34815, 58919), (42085, 48741), (44099, 46515)]