261644864

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6691}}^1$

素因数の和:6763

約数の個数: 56

約数和(自身を含む): 571122048

約数和(自身を除く): 309477184

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 188, 208, 376, 416, 611, 752, 832, 1222, 1504, 2444, 3008, 4888, 6691, 9776, 13382, 19552, 26764, 39104, 53528, 86983, 107056, 173966, 214112, 314477, 347932, 428224, 628954, 695864, 1257908, 1391728, 2515816, 2783456, 4088201, 5031632, 5566912, 8176402, 10063264, 16352804, 20126528, 32705608, 65411216, 130822432, 261644864]

約数ペア:

[(1, 261644864), (2, 130822432), (4, 65411216), (8, 32705608), (13, 20126528), (16, 16352804), (26, 10063264), (32, 8176402), (47, 5566912), (52, 5031632), (64, 4088201), (94, 2783456), (104, 2515816), (188, 1391728), (208, 1257908), (376, 695864), (416, 628954), (611, 428224), (752, 347932), (832, 314477), (1222, 214112), (1504, 173966), (2444, 107056), (3008, 86983), (4888, 53528), (6691, 39104), (9776, 26764), (13382, 19552)]