51365886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 121879296

約数和(自身を除く): 70513410

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 262, 286, 393, 429, 457, 786, 858, 914, 1371, 1441, 1703, 2742, 2882, 3406, 4323, 5027, 5109, 5941, 8646, 10054, 10218, 11882, 15081, 17823, 18733, 30162, 35646, 37466, 56199, 59867, 65351, 112398, 119734, 130702, 179601, 196053, 359202, 392106, 658537, 778271, 1317074, 1556542, 1975611, 2334813, 3951222, 4669626, 8560981, 17121962, 25682943, 51365886]

約数ペア:

[(1, 51365886), (2, 25682943), (3, 17121962), (6, 8560981), (11, 4669626), (13, 3951222), (22, 2334813), (26, 1975611), (33, 1556542), (39, 1317074), (66, 778271), (78, 658537), (131, 392106), (143, 359202), (262, 196053), (286, 179601), (393, 130702), (429, 119734), (457, 112398), (786, 65351), (858, 59867), (914, 56199), (1371, 37466), (1441, 35646), (1703, 30162), (2742, 18733), (2882, 17823), (3406, 15081), (4323, 11882), (5027, 10218), (5109, 10054), (5941, 8646)]