257020764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21397}}^1$

素因数の和:21435

約数の個数: 96

約数和(自身を含む): 805249536

約数和(自身を除く): 548228772

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 2002, 3003, 4004, 6006, 12012, 21397, 42794, 64191, 85588, 128382, 149779, 235367, 256764, 278161, 299558, 449337, 470734, 556322, 599116, 706101, 834483, 898674, 941468, 1112644, 1412202, 1647569, 1668966, 1797348, 1947127, 2824404, 3059771, 3295138, 3337932, 3894254, 4942707, 5841381, 6119542, 6590276, 7788508, 9179313, 9885414, 11682762, 12239084, 18358626, 19770828, 21418397, 23365524, 36717252, 42836794, 64255191, 85673588, 128510382, 257020764]

約数ペア:

[(1, 257020764), (2, 128510382), (3, 85673588), (4, 64255191), (6, 42836794), (7, 36717252), (11, 23365524), (12, 21418397), (13, 19770828), (14, 18358626), (21, 12239084), (22, 11682762), (26, 9885414), (28, 9179313), (33, 7788508), (39, 6590276), (42, 6119542), (44, 5841381), (52, 4942707), (66, 3894254), (77, 3337932), (78, 3295138), (84, 3059771), (91, 2824404), (132, 1947127), (143, 1797348), (154, 1668966), (156, 1647569), (182, 1412202), (231, 1112644), (273, 941468), (286, 898674), (308, 834483), (364, 706101), (429, 599116), (462, 556322), (546, 470734), (572, 449337), (858, 299558), (924, 278161), (1001, 256764), (1092, 235367), (1716, 149779), (2002, 128382), (3003, 85588), (4004, 64191), (6006, 42794), (12012, 21397)]