28159404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 81962496

約数和(自身を除く): 53803092

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 107, 156, 182, 214, 241, 273, 321, 364, 428, 482, 546, 642, 723, 749, 964, 1092, 1284, 1391, 1446, 1498, 1687, 2247, 2782, 2892, 2996, 3133, 3374, 4173, 4494, 5061, 5564, 6266, 6748, 8346, 8988, 9399, 9737, 10122, 12532, 16692, 18798, 19474, 20244, 21931, 25787, 29211, 37596, 38948, 43862, 51574, 58422, 65793, 77361, 87724, 103148, 116844, 131586, 154722, 180509, 263172, 309444, 335231, 361018, 541527, 670462, 722036, 1005693, 1083054, 1340924, 2011386, 2166108, 2346617, 4022772, 4693234, 7039851, 9386468, 14079702, 28159404]

約数ペア:

[(1, 28159404), (2, 14079702), (3, 9386468), (4, 7039851), (6, 4693234), (7, 4022772), (12, 2346617), (13, 2166108), (14, 2011386), (21, 1340924), (26, 1083054), (28, 1005693), (39, 722036), (42, 670462), (52, 541527), (78, 361018), (84, 335231), (91, 309444), (107, 263172), (156, 180509), (182, 154722), (214, 131586), (241, 116844), (273, 103148), (321, 87724), (364, 77361), (428, 65793), (482, 58422), (546, 51574), (642, 43862), (723, 38948), (749, 37596), (964, 29211), (1092, 25787), (1284, 21931), (1391, 20244), (1446, 19474), (1498, 18798), (1687, 16692), (2247, 12532), (2782, 10122), (2892, 9737), (2996, 9399), (3133, 8988), (3374, 8346), (4173, 6748), (4494, 6266), (5061, 5564)]