257143068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1564

約数の個数: 144

約数和(自身を含む): 815645376

約数和(自身を除く): 558502308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 53, 63, 78, 84, 91, 106, 117, 126, 156, 159, 182, 212, 234, 252, 273, 318, 364, 371, 468, 477, 546, 636, 689, 742, 819, 954, 1092, 1113, 1378, 1481, 1484, 1638, 1908, 2067, 2226, 2756, 2962, 3276, 3339, 4134, 4443, 4452, 4823, 5924, 6201, 6678, 8268, 8886, 9646, 10367, 12402, 13329, 13356, 14469, 17772, 19253, 19292, 20734, 24804, 26658, 28938, 31101, 38506, 41468, 43407, 53316, 57759, 57876, 62202, 77012, 78493, 86814, 93303, 115518, 124404, 134771, 156986, 173277, 173628, 186606, 231036, 235479, 269542, 313972, 346554, 373212, 404313, 470958, 539084, 549451, 693108, 706437, 808626, 941916, 1020409, 1098902, 1212939, 1412874, 1617252, 1648353, 2040818, 2197804, 2425878, 2825748, 3061227, 3296706, 4081636, 4851756, 4945059, 6122454, 6593412, 7142863, 9183681, 9890118, 12244908, 14285726, 18367362, 19780236, 21428589, 28571452, 36734724, 42857178, 64285767, 85714356, 128571534, 257143068]

約数ペア:

[(1, 257143068), (2, 128571534), (3, 85714356), (4, 64285767), (6, 42857178), (7, 36734724), (9, 28571452), (12, 21428589), (13, 19780236), (14, 18367362), (18, 14285726), (21, 12244908), (26, 9890118), (28, 9183681), (36, 7142863), (39, 6593412), (42, 6122454), (52, 4945059), (53, 4851756), (63, 4081636), (78, 3296706), (84, 3061227), (91, 2825748), (106, 2425878), (117, 2197804), (126, 2040818), (156, 1648353), (159, 1617252), (182, 1412874), (212, 1212939), (234, 1098902), (252, 1020409), (273, 941916), (318, 808626), (364, 706437), (371, 693108), (468, 549451), (477, 539084), (546, 470958), (636, 404313), (689, 373212), (742, 346554), (819, 313972), (954, 269542), (1092, 235479), (1113, 231036), (1378, 186606), (1481, 173628), (1484, 173277), (1638, 156986), (1908, 134771), (2067, 124404), (2226, 115518), (2756, 93303), (2962, 86814), (3276, 78493), (3339, 77012), (4134, 62202), (4443, 57876), (4452, 57759), (4823, 53316), (5924, 43407), (6201, 41468), (6678, 38506), (8268, 31101), (8886, 28938), (9646, 26658), (10367, 24804), (12402, 20734), (13329, 19292), (13356, 19253), (14469, 17772)]